Library of Congress >> MARC >> Authority Field List

MARC 21 Format for Authority Data
Field List


1999 Edition
Update No. 1 (October 2001) through Update No. 18 (April 2014)

This document lists all valid and obsolete data elements that may appear in MARC 21 authority records. It is intended to meet the need for a simple data element list to support MARC system development and online validation of MARC data elements. This listing does not include any descriptions or examples of MARC data elements. Descriptions and examples can be found in the MARC 21 Format for Authority Data.


--Leader and Directory--
  LEADER
   Character Positions
      00-04 - Record length
      05 - Record status
         a - Increase in encoding level
         c - Corrected or revised
         d - Deleted
         n - New
         o - Obsolete
         s - Deleted; heading split into two or more headings
         x - Deleted; heading replaced by another heading
      06 - Type of record
         z - Authority data
      07-08 - Undefined character positions
      09 - Character coding scheme
         # - MARC-8
         a - UCS/Unicode
      10 - Indicator count
      11 - Subfield code length
      12-16 - Base address of data
      17 - Encoding level
         n - Complete authority record
         o - Incomplete authority record
      18-19 - Undefined character positions
      20-23 - Entry map
      20 - Length of the length-of-field portion
      21 - Length of the starting-character-position portion
      22 - Length of the implementation-defined portion
      23 - Undefined

  DIRECTORY
   Character Positions
      00-02 - Tag
      03-06 - Field length
      07-11 - Starting character position


--Control Fields (001-008)--
001 - CONTROL NUMBER (NR)

003 - CONTROL NUMBER IDENTIFIER (NR)

005 - DATE AND TIME OF LATEST TRANSACTION (NR)

008 - FIXED-LENGTH DATA ELEMENTS (NR)
    Character positions
      00-05 - Date entered on file
      06 - Direct or indirect geographic subdivision
         # - Not subdivided geographically
         d - Subdivided geographically--direct
         i - Subdivided geographically--indirect
         n - Not applicable
         | - No attempt to code
      07 - Romanization scheme
         a - International standard
         b - National standard
         c - National library association standard
         d - National library or bibliographic agency standard
         e - Local standard
         f - Standard of unknown origin
         g - Conventional romanization or conventional form of name in language of cataloging
             agency
         n - Not applicable
         | - No attempt to code
      08 - Language of catalog
         # - No information provided
         b - English and French
         e - English only
         f - French only
         | - No attempt to code
      08 - Undefined character position [OBSOLETE]
      09 - Kind of record
         a - Established heading
         b - Untraced reference
         c - Traced reference
         d - Subdivision
         e - Node label
         f - Established heading and subdivision
         g - Reference and subdivision
      10 - Descriptive cataloging rules
         a - Earlier rules
         b - AACR 1
         c - AACR 2
         d - AACR 2 compatible heading
         n - Not applicable
         z - Other
         | - No attempt to code
      11 - Subject heading system/thesaurus
         a - Library of Congress Subject Headings
         b - LC subject headings for children's literature
         c - Medical Subject Headings
         d - National Agricultural Library subject authority file
         k - Canadian Subject Headings
         n - Not applicable
         r - Art and Architecture Thesaurus
         s - Sears List of Subject Headings
         v - Répertoire de vedettes-matière
         z - Other
         | - No attempt to code
      12 - Type of series
         a - Monographic series
         b - Multipart item
         c - Series-like phrase
         n - Not applicable
         z - Other
         | - No attempt to code
      13 - Numbered or unnumbered series
         a - Numbered
         b - Unnumbered
         c - Numbering varies
         n - Not applicable
         | - No attempt to code
      14 - Heading use--main or added entry
         # - Undetermined [OBSOLETE]
         a - Appropriate
         b - Not appropriate
         c - Heading is appropriate for use as a main or added entry [OBSOLETE]
         u - Unknown [OBSOLETE]
         | - No attempt to code
      15 - Heading use--subject added entry
         # - Undetermined [OBSOLETE]
         a - Appropriate
         b - Not appropriate
         c - Heading is appropriate for use as a subject [OBSOLETE]
         u - Unknown [OBSOLETE]
         | - No attempt to code
      16 - Heading use--series added entry
         # - Undetermined [OBSOLETE]
         a - Appropriate
         b - Not appropriate
         c - Heading is appropriate for use as a series [OBSOLETE]
         u - Unknown [OBSOLETE]
         | - No attempt to code
      17 - Type of subject subdivision
         # - Value used in records before definition of this character position [OBSOLETE]
         a - Topical
         b - Form
         c - Chronological
         d - Geographic
         e - Language
         n - Not applicable
         | - No attempt to code
      18-27 - Undefined character positions
      28 - Type of government agency
         # - Not a government agency
         a - Autonomous or semi-autonomous component
         c - Multilocal
         f - Federal/national
         i - International intergovernmental
         l - Local
         m - Multistate
         o - Government agency--type undetermined
         s - State, provincial, territorial, dependent, etc.
         u - Unknown if heading is government agency
         z - Other
         | - No attempt to code
      29 - Reference evaluation
         # - Value used in records before definition of this character position [OBSOLETE]
         a - Tracings are consistent with the heading
         b - Tracings are not necessarily consistent with the heading
         n - Not applicable
         | - No attempt to code
      30 - Undefined character position
      31 - Record update in process
         a - Record can be used
         b - Record is being updated
         | - No attempt to code
      32 - Undifferentiated personal name
         a - Differentiated personal name
         b - Undifferentiated personal name
         n - Not applicable
         | - No attempt to code
      33 - Level of establishment
         a - Fully established
         b - Memorandum
         c - Provisional
         d - Preliminary
         n - Not applicable
         | - No attempt to code
      34-37 - Undefined character positions
      35-37 - Language of heading code [OBSOLETE]
      38 - Modified record
         # - Not modified
         s - Shortened
         x - Missing characters
         | - No attempt to code
      39 - Cataloging source
         # - National bibliographic agency
         a - National Agricultural Library [OBSOLETE]
         b - National Library of Medicine [OBSOLETE]
         c - Cooperative cataloging program
         d - Other
         u - Unknown
         | - No attempt to code


--Number and Code Fields (01X-09X)--
010 - LIBRARY OF CONGRESS CONTROL NUMBER (NR)
   Indicators
      First - Undefined
         # - Undefined
      Second - Undefined
         # - Undefined
   Subfield Codes
      $a - LC control number (NR)
      $z - Canceled/invalid LC control number (R)
      $8 - Field link and sequence number (R)

014 - LINK TO BIBLIOGRAPHIC RECORD FOR SERIAL OR MULTIPART ITEM (R)
   Indicators
      First - Undefined
         # - Undefined
      Second - Undefined
         # -Undefined
   Subfield Codes
      $a - Control number of related bibliographic record (NR)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R)

016 - NATIONAL BIBLIOGRAPHIC AGENCY CONTROL NUMBER (R)
   Indicators
      First - National bibliographic agency
         # - Library and Archives Canada
         7 - Agency identified in subfield $2
      Second - Undefined
         # - Undefined
   Subfield Codes
      $a - Record control number (NR)
      $z - Canceled/invalid record control number (R)
      $2 - Source (NR)
      $8 - Field link and sequence number (R)   

020 - INTERNATIONAL STANDARD BOOK NUMBER (R)
   Indicators
      First - Undefined
         # - Undefined
      Second - Undefined
         # - Undefined
   Subfield Codes
      $a - International Standard Book Number (NR)
      $c - Terms of availability (NR)
      $q - Qualifying information (R)
      $z - Canceled/invalid ISBN (R)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R)

022 - INTERNATIONAL STANDARD SERIAL NUMBER (R)
   Indicators
      First - Undefined
         # - Undefined
      Second - Undefined
         # - Undefined
   Subfield Codes
      $a - International Standard Serial Number (NR)
      $l - ISSN-L (NR)
      $m - Canceled ISSN-L (R)
      $y - Incorrect ISSN (R)
      $z - Canceled ISSN (R)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R)

024 - OTHER STANDARD IDENTIFIER (R) 
   Indicators   
      First - Type of standard number or code
         7 - Source specified in subfield $2
         8 - Unspecified type of standard number or code
      Second - Undefined
         # - Undefined 
   Subfield Codes
      $a - Standard number or code (NR)
      $c - Terms of availability (NR)
      $d - Additional codes following the standard number or code (NR)
      $q - Qualifying information (R)
      $z - Canceled/invalid standard number or code (R)
      $2 - Source of number or code (NR)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R)

031 - MUSICAL INCIPITS INFORMATION (R) 
   Indicators
      First - Undefined
         # - Undefined
      Second - Undefined
         # - Undefined
   Subfield Codes
      $a - Number of work (NR)
      $b - Number of movement (NR)
      $c - Number of excerpt (NR)
      $d - Caption or heading (R)
      $e - Role  (NR)
      $g - Clef  (NR)
      $m - Voice/instrument (NR)
      $n - Key signature (NR)
      $o - Time signature (NR)
      $p - Musical notation (NR)
      $q - General note (R)
      $r - Key or mode (NR)
      $s - Coded validity note (R)
      $t - Text incipit (R)
      $u - Uniform Resource Identifier (R)
      $y - Link text (R)
      $z - Public note (R)
      $2 - System code (NR)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R)

034 - CODED CARTOGRAPHIC MATHEMATICAL DATA  (R)
   Indicators
      First - Undefined
         # - Undefined
      Second - Type of ring
         # - Not applicable
         0 - Outer ring
         1 - Exclusion ring
   Subfield Codes
      $d - Coordinates - westernmost longitude (NR)
      $e - Coordinates - easternmost longitude (NR)
      $f - Coordinates - northernmost latitude (NR)
      $g - Coordinates - southernmost latitude (NR)
      $j - Declination - northern limit (NR)
      $k - Declination - southern limit (NR)
      $m - Right ascension - eastern limit (NR)
      $n - Right ascension - western limit  (NR)
      $p - Equinox  (NR)
      $r - Distance from earth  (R)
      $s - G-ring latitude (R)
      $t - G-ring longitude (R)
      $x - Beginning date  (NR)
      $y - Ending date (NR)
      $z - Name of extraterrestrial body  (NR)
      $0 - Authority record control number or standard number (R)
      $2 - Source  (NR)
      $3 - Materials specified (NR)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R)

035 - SYSTEM CONTROL NUMBER  (R)
   Indicators
      First - Undefined
         # - Undefined
      Second - Undefined
         # - Undefined
   Subfield Codes
      $a - System control number (NR)
      $z - Canceled/invalid system control number (R)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R)

040 - CATALOGING SOURCE (NR)
   Indicators
      First - Undefined
         # - Undefined
      Second - Undefined
         # - Undefined
   Subfield Codes
      $a - Original cataloging agency (NR)
      $b - Language of cataloging (NR)
      $c - Transcribing agency (NR)
      $d - Modifying agency (R)
      $e - Description conventions (R)
      $f - Subject heading or thesaurus conventions (NR)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R)

042 - AUTHENTICATION CODE  (NR)
   Indicators
      First - Undefined
         # - Undefined
      Second - Undefined
         # - Undefined
   Subfield Code
      $a - Authentication code (R)
         sanb - South African National Bibliography Project

043 - GEOGRAPHIC AREA CODE (NR)
   Indicators
      First - Undefined
         # - Undefined
      Second - Undefined
         # - Undefined
   Subfield Codes
      $a - Geographic area code (R)
      $b - Local GAC code (R)
      $c - ISO code (R)
      $0 - Authority record control number or standard number (R)
      $2 - Source of local code (R)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R)
      
045 - TIME PERIOD OF HEADING (NR)
   Indicators
      First - Type of time period in subfield $b or $c
         # - Subfield $b or $c not present
         0 - Single date/time
         1 - Multiple single dates/times
         2 - Range of dates/times
      Second - Undefined
         # - Undefined
   Subfield Codes
      $a - Time period code (R)
      $b - Formatted 9999 B.C. through C.E. time period (R)
      $c - Formatted pre-9999 B.C. time period (R)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R)
	  
046 - SPECIAL CODED DATES (R)
   Indicators
       First - Undefined
         # - Undefined
      Second - Undefined
         # - Undefined
   Subfield Codes
      $f - Birth date(NR) 
      $g - Death date (NR)
      $k - Beginning or single date created (NR)
      $l - Ending date created (NR)
      $o - Single or starting date for aggregated content (NR)
      $p - Ending date for aggregated content (NR)
      $s - Start period (NR) 
      $t - End period (NR)
      $u - Uniform Resource Identifier (R)
      $v - Source of information (R)
      $2 - Source of date scheme (NR)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R)
	  
050 - LIBRARY OF CONGRESS CALL NUMBER  (R)
    Indicators
      First - Undefined
         # - Undefined
      Second - Source of call number
         0 - Assigned by LC
         4 - Assigned by agency other than LC
   Subfield Codes
      $a - Classification number (NR)
      $b - Item number (NR)
      $d - Volumes/dates to which call number applies (NR)
      $5 - Institution to which field applies (R)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R)

052 - GEOGRAPHIC CLASSIFICATION (R)
   Indicators
      First - Code source
         # - Library of Congress Classification
         0 - U.S. Dept. of Defense Classification [OBSOLETE]
         1 - U.S. Dept. of Defense Classification
         7 - Source specified in subfield $2
      Second - Undefined
         # - Undefined
   Subfield Codes
      $a - Geographic classification area code (NR)
      $b - Geographic classification subarea code (R)
      $d - Populated place name (R)
      $2 - Code source (NR)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R)

053 - LC CLASSIFICATION NUMBER (R)
   Indicators
      First - Undefined
         # - Undefined
      Second - Source of classification number
         0 - Assigned by LC
         4 - Assigned by agency other than LC
   Subfield Codes
      $a - Classification number element--single number or beginning number of span (NR)
      $b - Classification number element--ending number of span (NR)
      $c - Explanatory term (NR)
      $5 - Institution to which field applies (R)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R)

055 - LIBRARY AND ARCHIVES CANADA CALL NUMBER  (R)
   Indicators
      First - Undefined
         # - Undefined
      Second - Source of call number
         0 - Assigned by LAC
         4 - Assigned by agency other than LAC
   Subfield Codes
      $a - Classification number (NR)
      $b - Item number (NR)
      $d - Volumes/dates to which call number applies (NR)
      $5 - Institution to which field applies (R)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R)

060 - NATIONAL LIBRARY OF MEDICINE CALL NUMBER (R)
   Indicators
      First - Undefined
         # - Undefined
      Second - Source of call number
         0 - Assigned by NLM
         4 - Assigned by agency other than NLM
   Subfield Codes
      $a - Classification number (NR)
      $b - Item number (NR)
      $d - Volumes/dates to which call number applies (NR)
      $5 - Institution to which field applies (R)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R)

065 - OTHER CLASSIFICATION NUMBER (R)
   Indicators
       First - Undefined
         # - Undefined
      Second - Undefined
         # - Undefined
   Subfield Codes
      $a - Classification number element-single number or beginning of span (NR) 
      $b - Classification number element-ending number of span (NR)
      $c - Explanatory term (NR) 
      $2 - Number source (NR)
      $5 - Institution to which field applies (R)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R)

066 - CHARACTER SETS PRESENT (NR)
   Indicators
      First - Undefined
         # - Undefined
      Second - Undefined
         # - Undefined
   Subfield Codes
      $a - Primary G0 character set (NR)
      $b - Primary G1 character set (NR)
      $c - Alternate G0 or G1 character set (R)

070 - NATIONAL AGRICULTURAL LIBRARY CALL NUMBER (R)
   Indicators
      First - Undefined
         # - Undefined
      Second - Undefined
         # - Undefined
   Subfield Codes
      $a - Classification number (NR)
      $b - Item number (NR)
      $d - Volume/dates to which call number applies (NR)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R)

072 - SUBJECT CATEGORY CODE  (R)
   Indicators
      First - Undefined
         # - Undefined
      Second - Code source
         # - No information provided
         0 - NAL subject category code list
         7 - Source specified in subfield $2
   Subfield Codes
      $a - Subject category code (NR)
      $x - Subject category code subdivision (R)
      $2 - Code source (NR)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R)

 073 - SUBDIVISION USAGE (NR)
   Indicators
      First - Undefined
         # - Undefined
      Second - Undefined
         # - Undefined
   Subfield Codes
      $a - Subdivision usage (R)
      $z - Code source (NR)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R)
	  
080 - UNIVERSAL DECIMAL CLASSIFICATION NUMBER (R)
   Indicators
      First - Type of edition
         # - No information provided
         0 - Full
         1 - Abridged
      Second - Undefined
         # - Undefined
   Subfield Codes
      $a - Universal Decimal Classification number (NR)
      $b - Item number (NR)
      $x - Common auxiliary subdivision (R)
      $2 - Edition identifier (NR)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R)  
	  
082 - DEWEY DECIMAL CALL NUMBER (R)
   Indicators
      First - Type of edition
         0 - Full
         1 - Abridged
         7 - Other edition specified in subfield $2
      Second - Source of call number
         # - No information provided
         0 - Assigned by LC
         4 - Assigned by agency other than LC
   Subfield Codes
      $a - Classification number (NR)
      $b - Item number (NR)
      $d - Volumes/dates to which call number applies (NR)
      $2 - Edition number (NR)
      $5 - Institution to which field applies (R)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R)   

083 - DEWEY DECIMAL CLASSIFICATION NUMBER (R)
   Indicators
      First - Type of edition
         0 - Full
         1 - Abridged
         7 - Other edition specified in subfield $2
      Second - Source of classification number
         0 - Assigned by LC
         4 - Assigned by agency other than LC
   Subfield Codes
      $a - Classification number element--single number or beginning number of span (NR)
      $b - Classification number element--ending number of span (NR)
      $c - Explanatory term (NR)
      $y - Table sequence number for internal subarrangement or add table (R)
      $z - Table identification--table number (NR)
      $2 - Edition number (NR)
      $5 - Institution to which field applies (R)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R)

086 - GOVERNMENT DOCUMENT CALL NUMBER (R)
   Indicators
      First - Number source
         # - Source specified in subfield $2
         0 - Superintendent of Documents Classification System
         1 - Government of Canada Publications: Outline of Classification
      Second - Undefined
         # - Undefined
   Subfield Codes
      $a - Call number (NR)
      $d - Volumes/dates to which call number applies (NR)
      $z - Canceled/invalid call number (NR)
      $2 - Number source (NR)
      $5 - Institution to which field applies (R)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R)

087 - GOVERNMENT DOCUMENT CLASSIFICATION NUMBER (R)
   Indicators
      First - Number source
         # - Source specified in subfield $2
         0 - Superintendent of Documents Classification System
         1 - Government of Canada Publications: Outline of Classification
      Second - Undefined
         # - Undefined
   Subfield Codes
      $a - Classification number element--Single number or beginning number of span (NR)
      $b - Classification number element--Ending number of span (NR)
      $c - Explanatory information (NR)
      $2 - Number source (NR)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R)


--09X - LOCAL CALL NUMBERS--
090 - LOCAL CALL NUMBER (SERIES)[OBSOLETE]
   Indicators
      First - Undefined
         # - Undefined
      Second - Undefined
         # - Undefined
   Subfield Codes
      $a - Classification number (NR)
      $b - Item number (NR)
      $d - Volume/dates to which call number applies (NR)


--Heading Information Fields (1XX, 3XX)--
HEADINGS--GENERAL INFORMATION 
100 - HEADING--PERSONAL NAME(NR)
   Indicators
      First - Type of personal name entry element
         0 - Forename
         1 - Surname
         1 - Single surname [OBSOLETE]
         2 - Multiple surname [OBSOLETE]
         3 - Family name
      Second - Undefined
         # - Undefined
      Second - Nonfiling characters [OBSOLETE]
         0-9 - Number of nonfiling characters present [OBSOLETE]
   Subfield Codes
      $a - Personal name (NR)
      $b - Numeration (NR)
      $c - Titles and other words associated with a name (R)
      $d - Dates associated with a name (NR)
      $e - Relator term (R)
      $f - Date of a work (NR)
      $g - Miscellaneous information (NR)
      $h - Medium (NR)
      $j - Attribution qualifier (R)
      $k - Form subheading (R)
      $l - Language of a work (NR)
      $m - Medium of performance for music (R)
      $n - Number of part/section of a work (R)
      $o - Arranged statement for music (NR)
      $p - Name of part/section of a work (R)
      $q - Fuller form of name (NR)
      $r - Key for music (NR)
      $s - Version (NR)
      $t - Title of a work (NR)
      $v - Form subdivision (R)
      $x - General subdivision (R)
      $y - Chronological subdivision (R)
      $z - Geographic subdivision (R)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R)

110 - HEADING--CORPORATE NAME (NR)
   Indicators
      First - Type of corporate name entry element
         0 - Inverted name
         1 - Jurisdiction name
         2 - Name in direct order
      Second - Undefined
         # - Undefined
      Second - Nonfiling characters [OBSOLETE]
         0-9 - Number of nonfiling characters present [OBSOLETE]
   Subfield Codes
      $a - Corporate name or jurisdiction name as entry element (NR)
      $b - Subordinate unit (R)
      $c - Location of meeting (R)
      $d - Date of meeting or treaty signing (R)
      $e - Relator term (R)
      $f - Date of a work (NR)
      $g - Miscellaneous information (NR)
      $h - Medium (NR)
      $k - Form subheading (R)
      $l - Language of a work (NR)
      $m - Medium of performance for music (R)
      $n - Number of part/section/meeting (R)
      $o - Arranged statement for music (NR)
      $p - Name of part/section of a work (R)
      $r - Key for music (NR)
      $s - Version (NR)
      $t - Title of a work (NR)
      $v - Form subdivision (R)
      $x - General subdivision (R)
      $y - Chronological subdivision (R)
      $z - Geographic subdivision (R)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R)

111 - HEADING--MEETING NAME(NR)
   Indicators
      First - Type of meeting name entry element
         0 - Inverted name
         1 - Jurisdiction name
         2 - Name in direct order
      Second - Undefined
         # - Undefined
      Second - Nonfiling characters [OBSOLETE]
         0-9 - Number of nonfiling characters present [OBSOLETE]
   Subfield Codes
      $a - Meeting name or jurisdiction name as entry element (NR)
      $b - Number (NR) [OBSOLETE]
      $c - Location of meeting (R)
      $d - Date of meeting (NR)
      $e - Subordinate unit (R)
      $f - Date of a work (NR)
      $g - Miscellaneous information (NR)
      $h - Medium (NR)
      $j - Relator term  (R)
      $k - Form subheading (R)
      $l - Language of a work (NR)
      $n - Number of part/section/meeting (R)
      $p - Name of part/section of a work (R)
      $q - Name of meeting following jurisdiction name entry element (NR)
      $s - Version (NR)
      $t - Title of a work (NR)
      $v - Form subdivision (R)
      $x - General subdivision (R)
      $y - Chronological subdivision (R)
      $z - Geographic subdivision (R)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R)

130 - HEADING--UNIFORM TITLE (NR)
   Indicators
      First - Undefined
         # - Undefined
      Second - Nonfiling characters
         0-9 - Number of nonfiling characters
   Subfield Codes
      $a - Uniform title (NR)
      $d - Date of treaty signing (R)
      $f - Date of a work (NR)
      $g - Miscellaneous information (NR)
      $h - Medium (NR)
      $k - Form subheading (R)
      $l - Language of a work (NR)
      $m - Medium of performance for music (R)
      $n - Number of part/section of a work (R)
      $o - Arranged statement for music (NR)
      $p - Name of part/section of a work (R)
      $r - Key for music (NR)
      $s - Version (NR)
      $t - Title of a work (NR)
      $v - Form subdivision (R)
      $x - General subdivision (R)
      $y - Chronological subdivision (R)
      $z - Geographic subdivision (R)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R)

148 - HEADING--CHRONOLOGICAL TERM (NR)
   Indicators
      First - Undefined
         # - Undefined
      Second - Undefined
         # - Undefined
   Subfield Codes
      $a - Chronological term (NR)
      $v - Form subdivision (R)
      $x - General subdivision (R)
      $y - Chronological subdivision (R)
      $z - Geographic subdivision (R)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R)      

150 - HEADING--TOPICAL TERM (NR)
   Indicators
      First - Undefined
         # - Undefined
      Second - Undefined
         # - Undefined
      Second - Nonfiling characters [OBSOLETE]
         0-9 - Number of nonfiling characters present [OBSOLETE]
   Subfield Codes
      $a - Topical term or geographic name entry element (NR)
      $b - Topical term following geographic name entry element (NR)
      $v - Form subdivision (R)
      $x - General subdivision (R)
      $y - Chronological subdivision (R)
      $z - Geographic subdivision (R)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R)   

151 - HEADING--GEOGRAPHIC NAME (NR)
   Indicators
      First - Undefined
         # - Undefined
      Second - Undefined
         # - Undefined
      Second - Nonfiling characters [OBSOLETE]
         0-9 - Number of nonfiling characters present [OBSOLETE]
   Subfield Codes
      $a - Geographic name (NR)
      $b - Name following place as entry element (NR) [OBSOLETE]
      $v - Form subdivision (R)
      $x - General subdivision (R)
      $y - Chronological subdivision (R)
      $z - Geographic subdivision (R)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R)   

155 - HEADING--GENRE/FORM TERM (NR)
   Indicators
      First - Undefined
         # - Undefined
      Second - Undefined
         # - Undefined
   Subfield Codes
      $a - Genre/form term (NR)
      $v - Form subdivision (R)
      $x - General subdivision (R)
      $y - Chronological subdivision (R)
      $z - Geographic subdivision (R)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R)

 162 - HEADING--MEDIUM OF PERFORMANCE TERM (NR)
   Indicators
      First - Undefined
         # - Undefined
      Second - Undefined
         # - Undefined
   Subfield Codes
      $a - Medium of performance term (NR)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R)

180 - HEADING--GENERAL SUBDIVISION (NR)
   Indicators
      First - Undefined
         # - Undefined
      Second - Undefined
         # - Undefined
   Subfield Codes
      $v - Form subdivision (R)
      $x - General subdivision (R)
      $y - Chronological subdivision (R)
      $z - Geographic subdivision (R)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R)   

181 - HEADING--GEOGRAPHIC SUBDIVISION (NR)
   Indicators
      First - Undefined
         # - Undefined
      Second - Undefined
         # - Undefined
   Subfield Codes
      $v - Form subdivision (R)
      $x - General subdivision (R)
      $y - Chronological subdivision (R)
      $z - Geographic subdivision (R)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R)   

182 - HEADING--CHRONOLOGICAL SUBDIVISION (NR)
   Indicators
      First - Undefined
         # - Undefined
      Second - Undefined
         # - Undefined
   Subfield Codes
      $v - Form subdivision (R)
      $x - General subdivision (R)
      $y - Chronological subdivision (R)
      $z - Geographic subdivision (R)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R)
	  
185 - HEADING--FORM SUBDIVISION (NR)
   Indicators
      First - Undefined
         # - Undefined
      Second - Undefined
         # - Undefined
   Subfield Codes
      $v - Form subdivision (R)
      $x - General subdivision (R)
      $y - Chronological subdivision (R)
      $z - Geographic subdivision (R)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R)
	  
336 - CONTENT TYPE (R)
   Indicators
      First - Undefined
         # - Undefined
      Second - Undefined
         # - Undefined
   Subfield Codes
      $a - Content type term (R)
      $b - Content type code (R)
      $2 - Source (NR)
      $3 - Materials specified (NR)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R)
	  
368 - OTHER ATTRIBUTES OF PERSON OR CORPORATE BODY (R)
   Indicators
      First - Undefined
         # - Undefined
      Second - Undefined
         # - Undefined
   Subfield Codes
      $a - Type of corporate body (R)
      $b - Type of jurisdiction (R)
      $c - Other designation (R)
      $0 - Authority record control number or standard number (R)
      $d - Title of person (R)
      $s - Start period (NR)
      $t - End period (NR)
      $u - Uniform REsource Identifier (R)
      $v - Source of information (R)
      $2 - Source (NR)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R)
	  
370 - ASSOCIATED PLACE (R)
   Indicators
      First - Undefined
         # - Undefined
      Second - Undefined
         # - Undefined
   Subfield Codes
      $a - Place of birth (NR)
      $b - Place of death (NR)
      $c - Associated country (R)
      $e - Place of residence/headquarters (R)
      $f - Other associated place (R)
      $g - Place of origin of work (R)
      $s - Start period (NR)
      $t - End period (NR)
      $u - Uniform Resource Identifier (R)
      $0 - Record control number (R)
      $2 - Source of term (R)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R)
	  
371 - ADDRESS (R)
   Indicators
      First - Undefined
         # - Undefined
      Second - Undefined
         # - Undefined
   Subfield Codes
      $a - Address (R)
      $b - City (NR)
      $c - Intermediate jurisdiction (NR)
      $d - Country (NR)
      $e - Postal code (NR)
      $m - Electronic mail address (R)
      $s - Start period (NR)
      $t - End period (NR)
      $u - Uniform Resource Identifier (R)
      $v - Source of information (R)
      $z - Public note (R)
      $4 - Relator code (R)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R)
	  
372 - FIELD OF ACTIVITY (R)
   Indicators
      First - Undefined
         # - Undefined
      Second - Undefined
         # - Undefined
   Subfield Codes
      $a - Field of activity (R)
      $s - Start period (NR)
      $t - End period (NR)
      $u - Uniform Resource Identifier (R)
      $v - Source of information (R)
      $0 - Record control number (R)
      $2 - Source of term (NR)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R)
	  
373 - ASSOCIATED GROUP (R)
   Indicators
      First - Undefined
         # - Undefined
      Second - Undefined
         # - Undefined
   Subfield Codes
      $a - Affiliation (R) [REDEFINED]
      $a - Associated group (R)
      $s - Start period (NR)
      $t - End period (NR)
      $u - Uniform Resource Identifier (R)
      $v - Source of information (R)
      $0 - Record control number (R)
      $2 - Source of term (NR)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R)	
	  
374 - OCCUPATION (R)
   Indicators
      First - Undefined
         # - Undefined
      Second - Undefined
         # - Undefined
   Subfield Codes
      $a - Occupation (R)
      $s - Start period (NR)
      $t - End period (NR)
      $u - Uniform Resource Identifier (R)
      $v - Source of information (R)
      $0 - Record control number (R)
      $2 - Source of term (NR)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R)
	  
375 - GENDER (R)
   Indicators
      First - Undefined
         # - Undefined
      Second - Undefined
         # - Undefined
   Subfield Codes
      $a - Gender (R)
      $s - Start period (NR)
      $t - End period (NR)
      $u - Uniform Resource Identifier (R)
      $v - Source of information (R)
      $2 - Source of term (NR)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R)
	  
376 - FAMILY INFORMATION (R)
   Indicators
      First - Undefined
         # - Undefined
      Second - Undefined
         # - Undefined
   Subfield Codes
      $a - Type of family (R)
      $b - Name of prominent member (R)
      $c - Hereditary title (R)
      $s - Start period (NR)
      $t - End period (NR)
      $u - Uniform Resource Identifier (R)
      $v - Source of information (R)
      $0 - Record control number (R)
      $2 - Source of term (NR)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R)
	  	  	  	    	  	  	  	  
377 - ASSOCIATED LANGUAGE (R)
   Indicators
      First - Undefined
         # - Undefined
      Second - Source of code
         # - MARC language code
         7 - Source specified in $2
   Subfield Codes
      $a - Language code (R)
      $l - Language term (R)
      $2 - Source of term (NR)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R)

378 - FULLER FORM OF PERSONAL NAME (NR)
   Indicators
      First - Undefined
         # - Undefined
      Second - Source of code
         # - Undefined
   Subfield Codes
      $q - Fuller form of personal name (NR)
      $u - Uniform Resource Identifier (R)
      $v - Source of information (R)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R)
	  
380 - FORM OF WORK (R)
   Indicators
      First - Undefined
         # - Undefined
      Second - Undefined
         # - Undefined
   Subfield Codes
      $a - Form of work (R)
      $0 - Record control number (R)
      $2 - Source of term (NR)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R)
	  
381 - OTHER DISTINGUISHING CHARACTERISTICS OF WORK OR EXPRESSION (R)
   Indicators
      First - Undefined
         # - Undefined
      Second - Undefined
         # - Undefined
   Subfield Codes
      $a - Other distinguishing characteristic (R)
      $u - Uniform Resource Identifier (R)
      $v - Source of information (R)
      $0 - Record control number (R)
      $2 - Source of term (NR)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R)
	  
382 - MEDIUM OF PERFORMANCE (R)
   Indicators
      First - Undefined
         # - Undefined
      Second - Undefined
         # - Undefined
   Subfield Codes
      $a - Medium of performance (R)
      $b - Soloist (R)
      $d - Doubling instrument (R)
      $n - Number of performers of the same medium (R)
      $p - Alternative medium of performance (R)
      $s - Total number of performers (R)
      $v - Note (R)
      $0 - Record control number (R)
      $2 - Source of term (NR)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R)
	  
383 - NUMERIC DESIGNATION OF MUSICAL WORK (R)
   Indicators
      First - Undefined
         # - Undefined
      Second - Undefined
         # - Undefined
   Subfield Codes
      $a - Serial number (R)
      $b - Opus number (R)
      $c - Thematic index number (R)
      $d - Thematic index code (NR)
      $e - Publisher associated with opus number (NR)
      $2 - Source (NR)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R)
	  
384 - KEY (NR)
   Indicators
      First - Key type
         # - Relationship to original unknown
         0 - Original key
         1 - Transposed key
      Second - Undefined
         # - Undefined
   Subfield Codes
      $a - Key (NR)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R)

385 - AUDIENCE CHARACTERISTICS (R)
   Indicators
      First - Undefined
         # - Undefined 
      Second - Undefined
         # - Undefined 
   Subfield Codes
      $a - Audience term (R)
      $b - Audience code (R)
      $m - Demographic group term (NR)
      $n - Demographic group code (NR)
      $0 - Authority record control number or standard number (R)
      $2 - Source (NR)
      $3 - Materials specified (NR)
      $6 - Linkage (NR) 
      $8 - Field link and sequence number (R)


386 - CREATOR/CONTRIBUTOR CHARACTERISTICS (R)
   Indicators
      First - Undefined
         # - Undefined 
      Second - Undefined
         # - Undefined 
   Subfield Codes
      $a - Creator/contributor term (R)
      $b - Creator/contributor code (R)
      $m - Demographic group term (NR)
      $n - Demographic group code (NR)
      $0 - Authority record control number or standard number (R)
      $2 - Source (NR)
      $3 - Materials specified (NR)
      $6 - Linkage (NR) 
      $8 - Field link and sequence number (R)

--Complex Subject References (260, 360)--
260 - COMPLEX SEE REFERENCE--SUBJECT (R)
   Indicators
      First - Undefined
         # - Undefined
      Second - Undefined
         # - Undefined
   Subfield Codes
      $a - Heading referred to (R)
      $i - Explanatory text (R)
      $0 - Authority record control number (R)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R)

360 - COMPLEX SEE ALSO REFERENCE--SUBJECT  (R)
   Indicators
      First - Undefined
         # - Undefined
      Second - Undefined
         # - Undefined
   Subfield Codes
      $a - Heading referred to (R)
      $i - Explanatory text (R)
      $0 - Authority record control number (R)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R)


--See From Tracing Fields (4XX)--
400 - SEE FROM TRACING--PERSONAL NAME (R)
   Indicators
      First - Type of personal name entry element
         0 - Forename
         1 - Surname
         1 - Single surname [OBSOLETE]
         2 - Multiple surname [OBSOLETE]
         3 - Family name
      Second - Undefined
         # - Undefined
      Second - Nonfiling characters [OBSOLETE]
         0-9 - Number of nonfiling characters present [OBSOLETE]
   Subfield Codes
      $a - Personal name (NR)
      $b - Numeration (NR)
      $c - Titles and other words associated with a name (R)
      $d - Dates associated with a name (NR)
      $e - Relator term (R)
      $f - Date of a work (NR)
      $g - Miscellaneous information (NR)
      $h - Medium (NR)
      $i - Relationship information (R)
      $j - Attribution qualifier (R)
      $k - Form subheading (R)
      $l - Language of a work (NR)
      $m - Medium of performance for music (R)
      $n - Number of part/section of a work (R)
      $o - Arranged statement for music (NR)
      $p - Name of part/section of a work (R)
      $q - Fuller form of name (NR)
      $r - Key for music (NR)
      $s - Version (NR)
      $t - Title of a work (NR)
      $v - Form subdivision (R)
      $w - Control subfield (NR)
         0 - Special relationship
         1 - Tracing use restriction
         2 - Earlier form of heading
         3 - Reference display
      $x - General subdivision (R)
      $y - Chronological subdivision (R)
      $z - Geographic subdivision (R)
      $4 - Relationship code (R)
      $5 - Institution to which field applies (R)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R)

410 - SEE FROM TRACING--CORPORATE NAME (R)
   Indicators
      First - Type of corporate name entry element
         0 - Inverted name
         1 - Jurisdiction name
         2 - Name in direct order
      Second - Undefined
         # - Undefined
      Second - Nonfiling characters [OBSOLETE]
         0-9 - Number of nonfiling characters present [OBSOLETE]
   Subfield Codes
      $a - Corporate name or jurisdiction name as entry element (NR)
      $b - Subordinate unit (R)
      $c - Location of meeting (R)
      $d - Date of meeting or treaty signing (R)
      $e - Relator term (R)
      $f - Date of a work (NR)
      $g - Miscellaneous information (NR)
      $h - Medium (NR)
      $i - Relationship information (R)
      $k - Form subheading (R)
      $l - Language of a work (NR)
      $m - Medium of performance for music (R)
      $n - Number of part/section/meeting (R)
      $o - Arranged statement for music (NR)
      $p - Name of part/section of a work (R)
      $r - Key for music (NR)
      $s - Version (NR)
      $t - Title of a work (NR)
      $v - Form subdivision (R)
      $w - Control subfield (NR)
         0 - Special relationship
         1 - Tracing use restriction
         2 - Earlier form of heading
         3 - Reference display
      $x - General subdivision (R)
      $y - Chronological subdivision (R)
      $z - Geographic subdivision (R)
      $4 - Relationship code (R)
      $5 - Institution to which field applies (R)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R)

411 - SEE FROM TRACING--MEETING NAME (R)
   Indicators
      First - Type of meeting name entry element
         0 - Inverted name
         1 - Jurisdiction name
         2 - Name in direct order
      Second - Undefined
         # - Undefined
      Second - Nonfiling characters [OBSOLETE]
         0-9 - Number of nonfiling characters present [OBSOLETE]
   Subfield Codes
      $a - Meeting name or jurisdiction name as entry element (NR)
      $b - Number (NR) [OBSOLETE]
      $c - Location of meeting (R)
      $d - Date of meeting (NR)
      $e - Subordinate unit (R)
      $f - Date of a work (NR)
      $g - Miscellaneous information (NR)
      $h - Medium (NR)
      $i - Relationship information (R)
      $j - Relator term  (R)
      $k - Form subheading (R)
      $l - Language of a work (NR)
      $n - Number of part/section/meeting (R)
      $p - Name of part/section of a work (R)
      $q - Name of meeting following jurisdiction name entry element (NR)
      $s - Version (NR)
      $t - Title of a work (NR)
      $v - Form subdivision (R)
      $w - Control subfield (NR)
         0 - Special relationship
         1 - Tracing use restriction
         2 - Earlier form of heading
         3 - Reference display
      $x - General subdivision (R)
      $y - Chronological subdivision (R)
      $z - Geographic subdivision (R)
      $4 - Relationship code (R)
      $5 - Institution to which field applies (R)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R)

430 - SEE FROM TRACING--UNIFORM TITLE (R)
   Indicators
      First - Undefined
         # - Undefined
      Second - Nonfiling characters
         0-9 Number of nonfiling characters
   Subfield Codes
      $a - Uniform title (NR)
      $d - Date of treaty signing (R)
      $f - Date of a work (NR)
      $g - Miscellaneous information (NR)
      $h - Medium (NR)
      $i - Relationship information (R)
      $k - Form subheading (R)
      $l - Language of a work (NR)
      $m - Medium of performance for music (R)
      $n - Number of part/section of a work (R)
      $o - Arranged statement for music (NR)
      $p - Name of part/section of a work (R)
      $r - Key for music (NR)
      $s - Version (NR)
      $t - Title of a work (NR)
      $v - Form subdivision (R)
      $w - Control subfield (NR)
         0 - Special relationship
         1 - Tracing use restriction
         2 - Earlier form of heading
         3 - Reference display
      $x - General subdivision (R)
      $y - Chronological subdivision (R)
      $z - Geographic subdivision (R)
      $4 - Relationship code (R)
      $5 - Institution to which field applies (R)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R)

448 - SEE FROM TRACING--CHRONOLOGICAL TERM (R)
   Indicators
      First - Undefined
         # - Undefined
      Second - Undefined
         # - Undefined
   Subfield Codes
      $a - Chronological term (NR)
      $i - Relationship information (R)
      $v - Form subdivision (R)
      $w - Control subfield (NR)
          0 - Special relationship
          1 - Tracing use restriction
          2 - Earlier form of heading
          3 - Reference display
      $x - General subdivision (R)
      $y - Chronological subdivision (R)
      $z - Geographic subdivision (R)
      $4 - Relationship code (R)
      $5 - Institution to which field applies (R)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R)

450 - SEE FROM TRACING--TOPICAL TERM  (R)
   Indicators
      First - Undefined
         # - Undefined
      Second - Undefined
         # - Undefined
      Second - Nonfiling characters [OBSOLETE]
         0-9 - Number of nonfiling characters present [OBSOLETE]
   Subfield Codes
      $a - Topical term or geographic name entry element (NR)
      $b - Topical term following geographic name entry element (NR)
      $i - Relationship information (R)
      $v - Form subdivision (R)
      $w - Control subfield (NR)
         0 - Special relationship
         1 - Tracing use restriction
         2 - Earlier form of heading
         3 - Reference display
      $x - General subdivision (R)
      $y - Chronological subdivision (R)
      $z - Geographic subdivision (R)
      $4 - Relationship code (R)
      $5 - Institution to which field applies (R)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R)

451 - SEE FROM TRACING--GEOGRAPHIC NAME (R)
   Indicators
      First - Undefined
         # - Undefined
      Second - Undefined
         # - Undefined
      Second - Nonfiling characters [OBSOLETE]
         0-9 - Number of nonfiling characters present [OBSOLETE]
   Subfield Codes
      $a - Geographic name (NR)
      $b - Name following place as entry element (NR) [OBSOLETE]
      $i - Relationship information (R)
      $v - Form subdivision (R)
      $w - Control subfield (NR)
         0 - Special relationship
         1 - Tracing use restriction
         2 - Earlier form of heading
         3 - Reference display
      $x - General subdivision (R)
      $y - Chronological subdivision (R)
      $z - Geographic subdivision (R)
      $4 - Relationship code (R)
      $5 - Institution to which field applies (R)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R)

455 - SEE FROM TRACING--GENRE/FORM TERM (R)
   Indicators
      First - Undefined
         # - Undefined
      Second - Undefined
         # - Undefined
   Subfield Codes
      $a - Genre/form term (NR)
      $i - Relationship information (R)
      $v - Form subdivision (R)
      $w - Control subfield (NR)
         0 - Special relationship
         1 - Tracing use restriction
         2 - Earlier form of heading
         3 - Reference display
      $x - General subdivision (R)
      $y - Chronological subdivision (R)
      $z - Geographic subdivision (R)
      $4 - Relationship code (R)
      $5 - Institution to which field applies (R)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R)

462 - SEE FROM TRACING--MEDIUM OF PERFORMANCE TERM (R)
   Indicators
      First - Undefined
         # - Undefined
      Second - Undefined
         # - Undefined
   Subfield Codes
      $a - Medium of performance term (NR)
      $i - Relationship information (R)
      $w - Control subfield (NR)
         0 - Special relationship
         1 - Tracing use restriction
         2 - Earlier form of heading
         3 - Reference display
      $4 - Relationship code (R)
      $5 - Institution to which field applies (R)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R)

480 - SEE FROM TRACING--GENERAL SUBDIVISION (R)
   Indicators
      First - Undefined
         # - Undefined
      Second - Undefined
         # - Undefined
   Subfield Codes
      $i - Relationship information (R)
      $v - Form subdivision (R)
      $w - Control subfield (NR)
         0 - Special relationship
         1 - Tracing use restriction
         2 - Earlier form of heading
         3 - Reference display
      $x - General subdivision (R)
      $y - Chronological subdivision (R)
      $z - Geographic subdivision (R)
      $4 - Relationship code (R)
      $5 - Institution to which field applies (R)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R)

481 - SEE FROM TRACING--GEOGRAPHIC SUBDIVISION  (R)
   Indicators
      First - Undefined
         # - Undefined
      Second - Undefined
         # - Undefined
   Subfield Codes
      $i - Relationship information (R)
      $v - Form subdivision (R)
      $w - Control subfield (NR)
         0 - Special relationship
         1 - Tracing use restriction
         2 - Earlier form of heading
         3 - Reference display
      $x - General subdivision (R)
      $y - Chronological subdivision (R)
      $z - Geographic subdivision (R)
      $4 - Relationship code (R)
      $5 - Institution to which field applies (R)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R)

482 - SEE FROM TRACING--CHRONOLOGICAL SUBDIVISION  (R)
   Indicators
      First - Undefined
         # - Undefined
      Second - Undefined
         # - Undefined
   Subfield Codes
      $i - Relationship information (R)
      $v - Form subdivision (R)
      $w - Control subfield (NR)
         0 - Special relationship
         1 - Tracing use restriction
         2 - Earlier form of heading
         3 - Reference display
      $x - General subdivision (R)
      $y - Chronological subdivision (R)
      $z - Geographic subdivision (R)
      $4 - Relationship code (R)
      $5 - Institution to which field applies (R)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R)

485 - SEE FROM TRACING--FORM SUBDIVISION (R)
   Indicators
      First - Undefined
         # - Undefined
      Second - Undefined
         # - Undefined
   Subfield Codes
      $i - Relationship information (R)
      $v - Form subdivision (R)
      $w - Control subfield (NR)
         0 - Special relationship
         1 - Tracing use restriction
         2 - Earlier form of heading
         3 - Reference display
      $x - General subdivision (R)
      $y - Chronological subdivision (R)
      $z - Geographic subdivision (R)
      $4 - Relationship code (R)
      $5 - Institution to which field applies (R)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R)


--See Also From Tracing Fields (5XX)--
500 - SEE ALSO FROM TRACING--PERSONAL NAME (R)
   Indicators
      First - Type of personal name entry element
         0 - Forename
         1 - Surname
         1 - Single surname [OBSOLETE]
         2 - Multiple surname [OBSOLETE]
         3 - Family name 
      Second - Undefined
         # - Undefined
      Second - Nonfiling characters [OBSOLETE]
         0-9 - Number of nonfiling characters present [OBSOLETE]
   Subfield Codes
      $a - Personal name (NR)
      $b - Numeration (NR)
      $c - Titles and other words associated with a name (R)
      $d - Dates associated with a name (NR)
      $e - Relator term (R)
      $f - Date of a work (NR)
      $g - Miscellaneous information (NR)
      $h - Medium (NR)
      $i - Relationship information (R)
      $j - Attribution qualifier(R)
      $k - Form subheading (R)
      $l - Language of a work (NR)
      $m - Medium of performance for music (R)
      $n - Number of part/section of a work (R)
      $o - Arranged statement for music (NR)
      $p - Name of part/section of a work (R)
      $q - Fuller form of name (NR)
      $r - Key for music (NR)
      $s - Version (NR)
      $t - Title of a work (NR)
      $v - Form subdivision (R)
      $w - Control subfield (NR)
         0 - Special relationship
         1 - Tracing use restriction
         2 - Earlier form of heading
         3 - Reference display
      $x - General subdivision (R)
      $y - Chronological subdivision (R)
      $z - Geographic subdivision (R)
      $0 - Record control number (R)
      $4 - Relationship code (R)
      $5 - Institution to which field applies (R)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R)

510 - SEE ALSO FROM TRACING--CORPORATE NAME  (R)
   Indicators
      First - Type of corporate name entry element
         0 - Inverted name
         1 - Jurisdiction name
         2 - Name in direct order
      Second - Undefined
         # - Undefined
      Second - Nonfiling characters [OBSOLETE]
         0-9 - Number of nonfiling characters present [OBSOLETE]
   Subfield Codes
      $a - Corporate name or jurisdiction name as entry element (NR)
      $b - Subordinate unit (R)
      $c - Location of meeting (R)
      $d - Date of meeting or treaty signing (R)
      $e - Relator term (R)
      $f - Date of a work (NR)
      $g - Miscellaneous information (NR)
      $h - Medium (NR)
      $i - Relationship information (R)
      $k - Form subheading (R)
      $l - Language of a work (NR)
      $m - Medium of performance for music (R)
      $n - Number of part/section/meeting (R)
      $o - Arranged statement for music (NR)
      $p - Name of part/section of a work (R)
      $r - Key for music (NR)
      $s - Version (NR)
      $t - Title of a work (NR)
      $v - Form subdivision (R)
      $w - Control subfield (NR)
         0 - Special relationship
         1 - Tracing use restriction
         2 - Earlier form of heading
         3 - Reference display
      $x - General subdivision (R)
      $y - Chronological subdivision (R)
      $z - Geographic subdivision (R)
      $0 - Authority record control number or standard number (R)
      $4 - Relationship code (R)
      $5 - Institution to which field applies (R)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R)

511 - SEE ALSO FROM TRACING--MEETING NAME  (R)
   Indicators
      First - Type of meeting name entry element
         0 - Inverted name
         1 - Jurisdiction name
         2 - Name in direct order
      Second - Undefined
         # - Undefined
      Second - Nonfiling characters [OBSOLETE]
         0-9 - Number of nonfiling characters present [OBSOLETE]
   Subfield Codes
      $a - Meeting name or jurisdiction name as entry element (NR)
      $b - Number (NR) [OBSOLETE]
      $c - Location of meeting (R)
      $d - Date of meeting (NR)
      $e - Subordinate unit (R)
      $f - Date of a work (NR)
      $g - Miscellaneous information (NR)
      $h - Medium (NR)
      $i - Relationship information (R)
      $j - Relator term  (R)
      $k - Form subheading (R)
      $l - Language of a work (NR)
      $n - Number of part/section/meeting (R)
      $p - Name of part/section of a work (R)
      $q - Name of meeting following jurisdiction name entry element (NR)
      $s - Version (NR)
      $t - Title of a work (NR)
      $v - Form subdivision (R)
      $w - Control subfield (NR)
         0 - Special relationship
         1 - Tracing use restriction
         2 - Earlier form of heading
         3 - Reference display
      $x - General subdivision (R)
      $y - Chronological subdivision (R)
      $z - Geographic subdivision (R)
      $0 - Authority record control number or standard number (R)
      $4 - Relationship code (R)
      $5 - Institution to which field applies (R)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R)

530 - SEE ALSO FROM TRACING--UNIFORM TITLE  (R)
   Indicators
      First - Undefined
         # - Undefined
      Second - Nonfiling characters
         0-9  Number of nonfiling characters
   Subfield Codes
      $a - Uniform title (NR)
      $d - Date of treaty signing (R)
      $f - Date of a work (NR)
      $g - Miscellaneous information (NR)
      $h - Medium (NR)
      $i - Relationship information (R)
      $k - Form subheading (R)
      $l - Language of a work (NR)
      $m - Medium of performance for music (R)
      $n - Number of part/section of a work (R)
      $o - Arranged statement for music (NR)
      $p - Name of part/section of a work (R)
      $r - Key for music (NR)
      $s - Version (NR)
      $t - Title of a work (NR)
      $v - Form subdivision (R)
      $w - Control subfield (NR)
         0 - Special relationship
         1 - Tracing use restriction
         2 - Earlier form of heading
         3 - Reference display
      $x - General subdivision (R)
      $y - Chronological subdivision (R)
      $z - Geographic subdivision (R)
      $0 - Record control number (R)
      $4 - Relationship code (R)
      $5 - Institution to which field applies (R)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R)  

548 - SEE ALSO FROM TRACING--CHRONOLOGICAL TERM  (R)
   Indicators
      First - Undefined
         # - Undefined
      Second - Undefined
         # - Undefined
   Subfield Codes
      $a - Chronological term (NR)
      $i - Relationship information (R)
      $v - Form subdivision (R)
      $w - Control subfield (NR)
         0 - Special relationship
         1 - Tracing use restriction
         2 - Earlier form of heading
         3 - Reference display
      $x - General subdivision (R)
      $y - Chronological subdivision (R)
      $z - Geographic subdivision (R)
      $0 - Record control number (R)
      $4 - Relationship code (R)
      $5 - Institution to which field applies (R)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R)

550 - SEE ALSO FROM TRACING--TOPICAL TERM  (R)
   Indicators
      First - Undefined
         # - Undefined
      Second - Undefined
         # - Undefined
      Second - Nonfiling characters [OBSOLETE]
         0-9 - Number of nonfiling characters present [OBSOLETE]
   Subfield Codes
      $a - Topical term or geographic name entry element (NR)
      $b - Topical term following geographic name entry element (NR)
      $i - Relationship information (R)
      $v - Form subdivision (R)
      $w - Control subfield (NR)
         0 - Special relationship
         1 - Tracing use restriction
         2 - Earlier form of heading
         3 - Reference display
      $x - General subdivision (R)
      $y - Chronological subdivision (R)
      $z - Geographic subdivision (R)
      $0 - Record control number (R)
      $4 - Relationship code (R)
      $5 - Institution to which field applies (R)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R)

551 - SEE ALSO FROM TRACING--GEOGRAPHIC NAME  (R)
   Indicators
      First - Undefined
         # - Undefined
      Second - Undefined
         # - Undefined
      Second - Nonfiling characters [OBSOLETE]
         0-9 - Number of nonfiling characters present [OBSOLETE]
   Subfield Codes
      $a - Geographic name (NR)
      $b - Name following place as entry element (NR) [OBSOLETE]
      $i - Relationship information (R)
      $v - Form subdivision (R)
      $w - Control subfield (NR)
         0 - Special relationship
         1 - Tracing use restriction
         2 - Earlier form of heading
         3 - Reference display
      $x - General subdivision (R)
      $y - Chronological subdivision (R)
      $z - Geographic subdivision (R)
      $0 - Record control number (R)
      $4 - Relationship code (R)
      $5 - Institution to which field applies (R)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R)

555 - SEE ALSO FROM TRACING--GENRE/FORM TERM (R)
   Indicators
      First - Undefined
         # - Undefined
      Second - Undefined
         # - Undefined
   Subfield Codes
      $a - Genre/form term (NR)
      $i - Relationship information (R)
      $v - Form subdivision (R)
      $w - Control subfield (NR)
         0 - Special relationship
         1 - Tracing use restriction
         2 - Earlier form of heading
         3 - Reference display
      $x - General subdivision (R)
      $y - Chronological subdivision (R)
      $z - Geographic subdivision (R)
      $0 - Record control number (R)
      $4 - Relationship code (R)
      $5 - Institution to which field applies (R)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R)

562 - SEE ALSO FROM TRACING--MEDIUM OF PERFORMANCE (R)
   Indicators
      First - Undefined
         # - Undefined
      Second - Undefined
         # - Undefined
   Subfield Codes
      $a - Medium of performance term (NR)
      $i - Relationship information (R)
      $w - Control subfield (NR)
         0 - Special relationship
         1 - Tracing use restriction
         2 - Earlier form of heading
         3 - Reference display
      $0 - Authority record control number or standard number (R)
      $4 - Relationship code (R)
      $5 - Institution to which field applies (R)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R)

580 - SEE ALSO FROM TRACING--GENERAL SUBDIVISION  (R)
   Indicators
      First - Undefined
         # - Undefined
      Second - Undefined
         # - Undefined
   Subfield Codes
      $i - Relationship information (R)
      $v - Form subdivision (R)
      $w - Control subfield (NR)
         0 - Special relationship
         1 - Tracing use restriction
         2 - Earlier form of heading
         3 - Reference display
      $x - General subdivision (R)
      $y - Chronological subdivision (R)
      $z - Geographic subdivision (R)
      $0 - Record control number (R)
      $4 - Relationship code (R)
      $5 - Institution to which field applies (R)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R)

581 - SEE ALSO FROM TRACING--GEOGRAPHIC SUBDIVISION  (R)
   Indicators
      First - Undefined
         # - Undefined
      Second - Undefined
         # - Undefined
   Subfield Codes
      $i - Relationship information (R)
      $v - Form subdivision (R)
      $w - Control subfield (NR)
         0 - Special relationship
         1 - Tracing use restriction
         2 - Earlier form of heading
         3 - Reference display
      $x - General subdivision (R)
      $y - Chronological subdivision (R)
      $z - Geographic subdivision (R)
      $0 - Record control number (R)
      $4 - Relationship code (R)
      $5 - Institution to which field applies (R)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R)

582 - SEE ALSO FROM TRACING--CHRONOLOGICAL SUBDIVISION (R)
   Indicators
      First - Undefined
         # - Undefined
      Second - Undefined
         # - Undefined
   Subfield Codes
      $i - Relationship information (R)
      $v - Form subdivision (R)
      $w - Control subfield (NR)
         0 - Special relationship
         1 - Tracing use restriction
         2 - Earlier form of heading
         3 - Reference display
      $x - General subdivision (R)
      $y - Chronological subdivision (R)
      $z - Geographic subdivision (R)
      $0 - Record control number (R)
      $4 - Relationship code (R)
      $5 - Institution to which field applies (R)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R)

585 - SEE ALSO FROM TRACING--FORM SUBDIVISION (R)
   Indicators
      First - Undefined
         # - Undefined
      Second - Undefined
         # - Undefined
   Subfield Codes
      $i - Relationship information (R)
      $v - Form subdivision (R)
      $w - Control subfield (NR)
         0 - Special relationship
         1 - Tracing use restriction
         2 - Earlier form of heading
         3 - Reference display
      $x - General subdivision (R)
      $y - Chronological subdivision (R)
      $z - Geographic subdivision (R)
      $0 - Record control number (R)
      $4 - Relationship code (R)
      $5 - Institution to which field applies (R)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R)


--Series Treatment Fields (64X)--
  640 - SERIES DATES OF PUBLICATION AND/OR SEQUENTIAL DESIGNATION  (R)
   Indicators
      First - Note format style
         0 - Formatted style
         1 - Unformatted style
      Second - Undefined
         # - Undefined
   Subfield Codes
      $a - Dates of publication and/or sequential designation (NR)
      $z - Source of information (NR)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R)

641 - SERIES NUMBERING PECULIARITIES  (R)
   Indicators
      First - Undefined
         # - Undefined
      Second - Undefined
         # - Undefined
   Subfield Codes
      $a - Numbering peculiarities note (NR)
      $z - Source of information (NR)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R)

642 - SERIES NUMBERING EXAMPLE  (R)
   Indicators
      First - Undefined
         # - Undefined
      Second - Undefined
         # - Undefined
   Subfield Codes
      $a - Series numbering example (NR)
      $d - Volumes/dates to which series numbering example applies (NR)
      $5 - Institution/copy to which field applies (R)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R)

643 - SERIES PLACE AND PUBLISHER/ISSUING BODY  (R)
   Indicators
      First - Undefined
         # - Undefined
      Second - Undefined
         # - Undefined
   Subfield Codes
      $a - Place (R)
      $b - Publisher/issuing body (R)
      $d - Volumes/dates to which place and publisher/issuing body apply (NR)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R)

644 - SERIES ANALYSIS PRACTICE  (R)
   Indicators
      First - Undefined
         # - Undefined
      Second - Undefined
         # - Undefined
   Subfield Codes
      $a - Series analysis practice (NR)
         f - Analyzed in full
         p - Analyzed in part
         n - Not analyzed
      $b - Exceptions to analysis practice (NR)
      $d - Volumes/dates to which analysis practice applies (NR)
      $5 - Institution/copy to which field applies (R)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R)

645 - SERIES TRACING PRACTICE (R)
   Indicators
      First - Undefined
         # - Undefined
      Second - Undefined
         # - Undefined
   Subfield Codes
      $a - Series tracing practice (NR)
         t - Traced as a series added entry
         n - Not traced as a series added entry
      $d - Volumes/dates to which tracing practice applies (NR)
      $5 - Institution/copy to which field applies (R)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R)

646 - SERIES CLASSIFICATION PRACTICE  (R)
   Indicators
      First - Undefined
         # - Undefined
      Second - Undefined
         # - Undefined
   Subfield Codes
      $a - Series classification practice (NR)
         c - Volumes are classified as a collection
         m - Volumes are classified with main or other series
         s - Volumes are classified separately
      $d - Volumes/dates to which classification practice applies (NR)
      $5 - Institution to which field applies (R)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R)


--Complex Name References (663-666)--
663 - COMPLEX SEE ALSO REFERENCE--NAME (NR)
   Indicators
      First - Undefined
         # - Undefined
      Second - Undefined
         # - Undefined
   Subfield Codes
      $a - Explanatory text (R)
      $b - Heading referred to (R)
      $t - Title referred to (R)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R)

664 - COMPLEX SEE REFERENCE--NAME  (NR)
   Indicators
      First - Undefined
         # - Undefined
      Second - Undefined
         # - Undefined
   Subfield Codes
      $a - Explanatory text (R)
      $b - Heading referred to (R)
      $t - Title referred to (R)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R)

665 - HISTORY REFERENCE (NR)
   Indicators
      First - Undefined
         # - Undefined
      Second - Undefined
         # - Undefined
   Subfield Codes
      $a - History reference (R)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R)

666 - GENERAL EXPLANATORY REFERENCE--NAME  (NR)
   Indicators
      First - Undefined
         # - Undefined
      Second - Undefined
         # - Undefined
   Subfield Codes
      $a - General explanatory reference (R)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R)


--Note Fields (667-68X)--
667 - NONPUBLIC GENERAL NOTE (R)
   Indicators
      First - Undefined
         # - Undefined
      Second - Undefined
         # - Undefined
   Subfield Codes
      $a - Nonpublic general note (NR)
      $5 - Institution to which field applies (R)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R)

668 - CHARACTERS IN NONROMAN ALPHABETS (R) [OBSOLETE]
   Indicators
      First - Undefined
         # - Undefined
      Second - Undefined
         # - Undefined
   Subfield Codes
      $a - Characters in nonroman alphabet (NR)

670 - SOURCE DATA FOUND (R)
   Indicators
      First - Undefined
         # - Undefined
      Second - Undefined
         # - Undefined
   Subfield Codes
      $a - Source citation (NR)
      $b - Information found (NR)
      $u - Uniform Resource Identifier (R)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R)

672 - TITLE RELATED TO THE ENTITY (R)
   Indicators
      First - Undefined
         # - Undefined
      Second - Nonfiling characters
         0 - No nonfiling characters
         1-9 - Number of nonfiling characters
   Subfield Codes
      $a - Title (NR)
      $b - Remainder of title (NR)
      $f - Date (NR)
      $w - Bibliographic record control number (R)
      $0 - Authority record control number or standard number (R)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R)

673 - TITLE NOT RELATED TO THE ENTITY (R)
   Indicators
      First - Undefined
         # - Undefined
      Second - Nonfiling characters
         0 - No nonfiling characters
         1-9 - Number of nonfiling characters
   Subfield Codes
      $a - Title (NR)
      $b - Remainder of title (NR)
      $f - Date (NR)
      $w - Bibliographic record control number (R)
      $0 - Authority record control number or standard number (R)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R)

675 - SOURCE DATA NOT FOUND (NR)
   Indicators
      First - Undefined
         # - Undefined
      Second - Undefined
         # - Undefined
   Subfield Codes
      $a - Source citation (R)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R)

678 - BIOGRAPHICAL OR HISTORICAL DATA (R)
   Indicators
      First - Type of data
         # - No information provided
         0 - Biographical sketch
         1 - Administrative history
      Second - Undefined
         # - Undefined
   Subfield Codes
      $a - Biographical or historical data (R)
      $b - Expansion (NR)
      $u - Uniform Resource Identifier (R)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R)

680 - PUBLIC GENERAL NOTE (R)
   Indicators
      First - Undefined
         # - Undefined
      Second - Undefined
         # - Undefined
   Subfield Codes
      $a - Heading or subdivision term (R)
      $i - Explanatory text (R)
      $5 - Institution to which field applies (R)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R)

681 - SUBJECT EXAMPLE TRACING NOTE (R)
   Indicators
      First - Undefined
         # - Undefined
      Second - Undefined
         # - Undefined
   Subfield Codes
      $a - Subject heading or subdivision term (R)
      $i - Explanatory text (R)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R)

682 - DELETED HEADING INFORMATION  (NR)
   Indicators
      First - Undefined
         # - Undefined
      Second - Undefined
         # - Undefined
   Subfield Codes
      $a - Replacement heading (R)
      $i - Explanatory text (R)
      $0 - Replacement authority record control number (R)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R)

688 - APPLICATION HISTORY NOTE (R)
   Indicators
      First - Undefined
         # - Undefined
      Second - Undefined
         # - Undefined
   Subfield Codes
      $a - Application history note (NR)
      $5 - Institution to which field applies (R)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R)


--Heading Linking Entry Fields (7XX)--
HEADING LINKING ENTRIES--GENERAL INFORMATION
700 - ESTABLISHED HEADING LINKING ENTRY--PERSONAL NAME  (R)
   Indicators
      First - Type of personal name entry element
         0 - Forename
         1 - Surname
         1 - Single surname [OBSOLETE]
         2 - Multiple surname [OBSOLETE]
         3 - Family name
      Second - Thesaurus
         0 - Library of Congress Subject Headings/Name authority file
         1 - LC subject headings for children's literature
         2 - Medical Subject Headings/NLM name authority file
         3 - National Agricultural Library subject authority file
         4 - Source not specified
         5 - Canadian Subject Headings/LAC name authority file
         6 - Répertoire de vedettes-matière
         7 - Source specified in subfield $2
   Subfield Codes
      $a - Personal name (NR)
      $b - Numeration (NR)
      $c - Titles and other words associated with a name (R)
      $d - Dates associated with a name (NR)
      $e - Relator term (R)
      $f - Date of a work (NR)
      $g - Miscellaneous information (NR)
      $h - Medium (NR)
      $j - Attribution qualifier (R)
      $k - Form subheading (R)
      $l - Language of a work (NR)
      $m - Medium of performance for music (R)
      $n - Number of part/section of a work (R)
      $o - Arranged statement for music (NR)
      $p - Name of part/section of a work (R)
      $q - Fuller form of name (NR)
      $r - Key for music (NR)
      $s - Version (NR)
      $t - Title of a work (NR)
      $v - Form subdivision (R)
      $w - Control subfield (NR)
         /0 - Link display
         /1 - Replacement complexity
      $x - General subdivision (R)
      $y - Chronological subdivision (R)
      $z - Geographic subdivision (R)
      $0 - Record control number (R)
      $2 - Source of heading or term (NR)
      $5 - Institution to which field applies (R)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R)

710 - ESTABLISHED HEADING LINKING ENTRY--CORPORATE NAME  (R)
   Indicators
      First - Type of corporate name entry element
         0 - Inverted name
         1 - Jurisdiction name
         2 - Name in direct order
      Second - Thesaurus
         0 - Library of Congress Subject Headings/Name authority file
         1 - LC subject headings for children's literature
         2 - Medical Subject Headings/NLM name authority file
         3 - National Agricultural Library subject authority file
         4 - Source not specified
         5 - Canadian Subject Headings/LAC name authority file
         6 - Répertoire de vedettes-matière
         7 - Source specified in subfield $2
   Subfield Codes
      $a - Corporate name or jurisdiction name as entry element (NR)
      $b - Subordinate unit (R)
      $c - Location of meeting (R)
      $d - Date of meeting or treaty signing (R)
      $e - Relator term (R)
      $f - Date of a work (NR)
      $g - Miscellaneous information (NR)
      $h - Medium (NR)
      $k - Form subheading (R)
      $l - Language of a work (NR)
      $m - Medium of performance for music (R)
      $n - Number of part/section/meeting (R)
      $o - Arranged statement for music (NR)
      $p - Name of part/section of a work (R)
      $r - Key for music (NR)
      $s - Version (NR)
      $t - Title of a work (NR)
      $v - Form subdivision (R)
      $w - Control subfield (NR)
         /0 - Link display
         /1 - Replacement complexity
      $x - General subdivision (R)
      $y - Chronological subdivision (R)
      $z - Geographic subdivision (R)
      $0 - Authority record control number or standard number (R)
      $2 - Source of heading or term (NR)
      $5 - Institution to which field applies (R)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R)

711 - ESTABLISHED HEADING LINKING ENTRY--MEETING NAME  (R)
   Indicators
      First - Type of meeting name entry element
         0 - Inverted name
         1 - Jurisdiction name
         2 - Name in direct order
      Second - Thesaurus
         0 - Library of Congress Subject Headings/Name authority file
         1 - LC subject headings for children's literature
         2 - Medical Subject Headings/NLM name authority file
         3 - National Agricultural Library subject authority file
         4 - Source not specified
         5 - Canadian Subject Headings/LAC name authority file
         6 - Répertoire de vedettes-matière
         7 - Source specified in subfield $2
   Subfield Codes
      $a - Meeting name or jurisdiction name as entry element (NR)
      $c - Location of meeting  (R)
      $d - Date of meeting  (NR)
      $e - Subordinate unit  (R)
      $f - Date of a work  (NR)
      $g - Miscellaneous information  (NR)
      $h - Medium  (NR)
      $j - Relator term  (R)
      $k - Form subheading  (R)
      $l - Language of a work  (NR)
      $n - Number of part/section/meeting  (R)
      $p - Name of part/section of a work  (R)
      $q - Name of meeting following jurisdiction name entry element  (NR)
      $s - Version (NR)
      $t - Title of a work  (NR)
      $v - Form subdivision (R)
      $w - Control subfield (NR)
         /0 - Link display
         /1 - Replacement complexity
      $x - General subdivision (R)
      $y - Chronological subdivision  (R)
      $z - Geographic subdivision  (R)
      $0 - Authority record control number or standard number (R)
      $2 - Source of heading or term  (NR)
      $5 - Institution to which field applies  (R)
      $6 - Linkage  (NR)
      $8 - Field link and sequence number  (R)

730 - ESTABLISHED HEADING LINKING ENTRY--UNIFORM TITLE  (R)
   Indicators
      First - Undefined
         # - Undefined
      Second - Thesaurus
         0 - Library of Congress Subject Headings/Name authority file
         1 - LC subject headings for children's literature
         2 - Medical Subject Headings/NLM name authority file
         3 - National Agricultural Library subject authority file
         4 - Source not specified
         5 - Canadian Subject Headings/LAC name authority file
         6 - Répertoire de vedettes-matière
         7 - Source specified in subfield $2
   Subfield Codes
      $a - Uniform title  (NR)
      $d - Date of treaty signing  (R)
      $f - Date of a work  (NR)
      $g - Miscellaneous information  (NR)
      $h - Medium  (NR)
      $k - Form subheading  (R)
      $l - Language of a work  (NR)
      $m - Medium of performance for music  (R)
      $n - Number of part/section of a work  (R)
      $o - Arranged statement for music  (NR)
      $p - Name of part/section of a work (R)
      $r - Key for music (NR)
      $s - Version  (NR)
      $t - Title of a work  (NR)
      $v - Form subdivision (R)
      $w - Control subfield (NR)
         /0 - Link display
         /1 - Replacement complexity
      $x - General subdivision  (R)
      $y - Chronological subdivision  (R)
      $z - Geographic subdivision  (R)
      $0 - Record control number  (R)
      $2 - Source of heading or term  (NR)
      $5 - Institution to which field applies (R)
      $6 - Linkage (NR)
      $8 - Field link and sequence number  (R)

748 - ESTABLISHED HEADING LINKING ENTRY--CHRONOLOGICAL TERM  (R)
   Indicators
      First - Undefined
         # - Undefined
      Second - Thesaurus
         0 - Library of Congress Subject Headings/Name authority file
         1 - LC subject headings for children's literature
         2 - Medical Subject Headings/NLM name authority file
         3 - National Agricultural Library subject authority file
         4 - Source not specified
         5 - Canadian Subject Headings/LAC name authority file
         6 - Répertoire de vedettes-matière
         7 - Source specified in subfield $2
   Subfield Codes
      $a - Chronological term (NR)
      $v - Form subdivision (R)
      $w - Control subfield (NR)
         /0 - Link display
         /1 - Replacement complexity 
      $x - General subdivision  (R)
      $y - Chronological subdivision  (R)
      $z - Geographic subdivision  (R)
      $0 - Record control number (R)
      $2 - Source of heading or term  (NR)
      $5 - Institution to which field applies  (R)
      $6 - Linkage  (NR)
      $8 - Field link and sequence number (R)   

750 - ESTABLISHED HEADING LINKING ENTRY--TOPICAL TERM   (R)
   Indicators
      First - Undefined
         # - Undefined
      Second - Thesaurus
         0 - Library of Congress Subject Headings/Name authority file
         1 - LC subject headings for children's literature
         2 - Medical Subject Headings/NLM name authority file
         3 - National Agricultural Library subject authority file
         4 - Source not specified
         5 - Canadian Subject Headings/LAC name authority file
         6 - Répertoire de vedettes-matière
         7 - Source specified in subfield $2
   Subfield Codes
      $a - Topical term or geographic name entry element (NR)
      $b - Topical term following geographic name as entry element (NR)
      $v - Form subdivision (R)
      $w - Control subfield (NR)
         /0 - Link display
         /1 - Replacement complexity
      $x - General subdivision  (R)
      $y - Chronological subdivision  (R)
      $z - Geographic subdivision  (R)
      $0 - Record control number (R)
      $2 - Source of heading or term  (NR)
      $5 - Institution to which field applies  (R)
      $6 - Linkage  (NR)
      $8 - Field link and sequence number (R)   

751 - ESTABLISHED HEADING LINKING ENTRY--GEOGRAPHIC NAME  (R)
   Indicators
      First - Undefined
         # - Undefined
      Second - Thesaurus
         0 - Library of Congress Subject Headings/Name authority file
         1 - LC subject headings for children's literature
         2 - Medical Subject Headings/NLM name authority file
         3 - National Agricultural Library subject authority file
         4 - Source not specified
         5 - Canadian Subject Headings/LAC name authority file
         6 - Répertoire de vedettes-matière
         7 - Source specified in subfield $2
   Subfield Codes
      $a - Geographic name (NR)
      $v - Form subdivision (R)
      $w - Control subfield (NR)
         /0 - Link display
         /1 - Replacement complexity
      $x - General subdivision (R)
      $y - Chronological subdivision (R)
      $z - Geographic subdivision (R)
      $0 - Record control number  (R)
      $2 - Source of heading or term (NR)
      $5 - Institution to which field applies (R)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R)   

755 - ESTABLISHED HEADING LINKING ENTRY--GENRE/FORM TERM  (R)
   Indicators
      First - Undefined
         # - Undefined
      Second - Thesaurus
         0 - Library of Congress Subject Headings/Name authority file
         1 - LC subject headings for children's literature
         2 - Medical Subject Headings/NLM name authority file
         3 - National Agricultural Library subject authority file
         4 - Source not specified
         5 - Canadian Subject Headings/LAC name authority file
         6 - Répertoire de vedettes-matière
         7 - Source specified in subfield $2
   Subfield Codes
      $a - Genre/form term as entry element (NR)
      $v - Form subdivision (R)
      $w - Control subfield (NR)
         /0 - Link display
         /1 - Replacement complexity
      $x - General subdivision (R)
      $y - Chronological subdivision (R)
      $z - Geographic subdivision (R)
      $0 - Record control number  (R)
      $2 - Source of heading or term (NR)
      $5 - Institution to which field applies (R)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R)

762 - ESTABLISHED HEADING LINKING ENTRY--MEDIUM OF PERFORMANCE TERM  (R)
   Indicators
      First - Undefined
         # - Undefined
      Second - Thesaurus
         0 - Library of Congress Subject Headings/Name authority file
         1 - LC subject headings for children's literature
         2 - Medical Subject Headings/NLM name authority file
         3 - National Agricultural Library subject authority file
         4 - Source not specified
         5 - Canadian Subject Headings/LAC name authority file
         6 - Répertoire de vedettes-matière
         7 - Source specified in subfield $2
   Subfield Codes
      $a - Medium of performance term as entry element (NR)
      $w - Control subfield (NR)
         /0 - Link display
         /1 - Replacement complexity
      $0 - Authority record control number or standard number (R)
      $2 - Source of heading or term (NR)
      $5 - Institution to which field applies (R)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R)  

780 - SUBDIVISION LINKING ENTRY--GENERAL SUBDIVISION   (R)
   Indicators
      First - Undefined
         # - Undefined
      Second - Thesaurus
         0 - Library of Congress Subject Headings/Name authority file
         1 - LC subject headings for children's literature
         2 - Medical Subject Headings/NLM name authority file
         3 - National Agricultural Library subject authority file
         4 - Source not specified
         5 - Canadian Subject Headings/LAC name authority file
         6 - Répertoire de vedettes-matière
         7 - Source specified in subfield $2
   Subfield Codes
      $v - Form subdivision (R)
      $w - Control subfield (NR)
         /0 - Link display
         /1 - Replacement complexity
      $x - General subdivision (R)
      $y - Chronological subdivision (R)
      $z - Geographic subdivision (R)
      $0 - Record control number  (R)
      $2 - Source of heading or term (NR)
      $5 - Institution to which field applies (R)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R)  

781 - SUBDIVISION LINKING ENTRY--GEOGRAPHIC SUBDIVISION  (R)
   Indicators
      First - Undefined
         # - Undefined
      Second - Thesaurus
         0 - Library of Congress Subject Headings/Name authority file
         1 - LC subject headings for children's literature
         2 - Medical Subject Headings/NLM name authority file
         3 - National Agricultural Library subject authority file
         4 - Source not specified
         5 - Canadian Subject Headings/LAC name authority file
         6 - Répertoire de vedettes-matière
         7 - Source specified in subfield $2
   Subfield Codes
      $v - Form subdivision (R)
      $w - Control subfield (NR)
         /0 - Link display
         /1 - Replacement complexity
      $x - General subdivision  (R)
      $y - Chronological subdivision  (R)
      $z - Geographic subdivision  (R)
      $0 - Record control number (R)
      $2 - Source of heading or term  (NR)
      $5 - Institution to which field applies  (R)
      $6 - Linkage  (NR)
      $8 - Field link and sequence number (R)   

782 - SUBDIVISION LINKING ENTRY--CHRONOLOGICAL SUBDIVISION   (R)
   Indicators
      First - Undefined
         # - Undefined
      Second - Thesaurus
         0 - Library of Congress Subject Headings/Name authority file
         1 - LC subject headings for children's literature
         2 - Medical Subject Headings/NLM name authority file
         3 - National Agricultural Library subject authority file
         4 - Source not specified
         5 - Canadian Subject Headings/LAC name authority file
         6 - Répertoire de vedettes-matière
         7 - Source specified in subfield $2
   Subfield Codes
      $v - Form subdivision (R)
      $w - Control subfield (NR)
         /0 - Link display
         /1 - Replacement complexity
      $x - General subdivision  (R)
      $y - Chronological subdivision  (R)
      $z - Geographic subdivision (R)
      $0 - Record control number  (R)
      $2 - Source of heading or term  (NR)
      $5 - Institution to which field applies (R)
      $6 - Linkage  (NR)
      $8 - Field link and sequence number  (R)

785 - SUBDIVISION LINKING ENTRY--FORM SUBDIVISION  (R)
   Indicators
      First - Undefined
         # - Undefined
      Second - Thesaurus
         0 - Library of Congress Subject Headings/Name authority file
         1 - LC subject headings for children's literature
         2 - Medical Subject Headings/NLM name authority file
         3 - National Agricultural Library subject authority file
         4 - Source not specified
         5 - Canadian Subject Headings/LAC name authority file
         6 - Répertoire de vedettes-matière
         7 - Source specified in subfield $2
   Subfield Codes
      $v - Form subdivision (R)
      $w - Control subfield (NR)
         /0 - Link display
         /1 - Replacement complexity
      $x - General subdivision (R)
      $y - Chronological subdivision (R)
      $z - Geographic subdivision (R)
      $0 - Record control number (R)
      $2 - Source of heading or term (NR)
      $5 - Institution to which field applies (R)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R)   

788 - COMPLEX LINKING ENTRY DATA   (NR)
   Indicators
      First - Undefined
         # - Undefined
      Second - Thesaurus 
         0 - Library of Congress Subject Headings/Name authority file
         1 - LC subject headings for children's literature
         2 - Medical Subject Headings/NLM name authority file
         3 - National Agricultural Library subject authority file
         4 - Source not specified
         5 - Canadian Subject Headings/LAC name authority file
         6 - Répertoire de vedettes-matière
         7 - Source specified in subfield $2
   Subfield Codes
      $a - Heading referred to (R)
      $i - Explanatory text (R)
      $2 - Source of heading or term  (NR)
      $5 - Institution to which field applies (R)
      $6 - Linkage  (NR)
      $8 - Field link and sequence number (R)


--Other Variable Fields (8XX)--
856 - ELECTRONIC LOCATION AND ACCESS (R)
   Indicators
      First - Access method
         # - No information provided
         0 - Email
         1 - FTP
         2 - Remote login (Telnet)
         3 - Dial-up
         4 - HTTP
         7 - Method specified in subfield $2
      Second - Relationship
         # - No information provided
         0 - Resource
         1 - Version of resource
         2 - Related resource
         8 - No display constant generated
   Subfield Codes
      $a - Host name (R)
      $b - Access number (R)
      $c - Compression information (R)
      $d - Path (R)
      $f - Electronic name (R)
      $g - Uniform Resource Name [OBSOLETE](R)
      $h - Processor of request (NR)
      $i - Instruction (R)
      $j - Bits per second (NR)
      $k - Password (NR)
      $l - Logon (NR)
      $m - Contact for access assistance (R)
      $n - Name of location of host (NR)
      $o - Operating system (NR)
      $p - Port (NR)
      $q - Electronic format type (NR)
      $r - Settings (NR)
      $s - File size (R)
      $t - Terminal emulation (R)
      $u - Uniform Resource Identifier (R)
      $v - Hours access method available (R)
      $w - Record control number (R)
      $x - Nonpublic note (R)
      $y - Link text (R)
      $z - Public note (R)
      $2 - Access method (NR)
      $3 - Materials specified (NR)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R)

880 - ALTERNATE GRAPHIC REPRESENTATION  (R)
   Indicators
      First - Same as associated field
      Second - Same as associated field
   Subfield Codes
      $6 - Linkage (NR)
      $a-z - Same as associated field
      $0-5 - Same as associated field
      $7-9 - Same as associated field  

883 - MACHINE-GENERATED METADATA PROVENANCE (R)
   Indicators
      First - Method of machine assignment
         # - No information provided/not applicable
         0 - Fully machine-generated
         1 - Partially machine-generated
      Second - Undefined
         # - Undefined
   Subfield Codes
      $a - Generation process (NR)
      $c - Confidence value (NR)
      $d - Generation date (NR)
      $q - Generation agency (NR)
      $x - Validity end date (NR)
      $u - Uniform Resource Identifier (NR)
      $w - Bibliographic record control number (R)
      $0 - Authority record control number or standard number (R)
      $8 - Field link and sequence number (R)

Library of Congress >> MARC >> Authority Field List
(04/28/2014)
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