|First Indicator||Second Indicator|
|Type of meeting name entry element
0 - Inverted name
1 - Jurisdiction name
2 - Name in direct order
0 - Library of Congress Subject Headings
1 - LC subject headings for children's literature
2 - Medical Subject Headings
3 - National Agricultural Library subject authority file
4 - Source not specified
5 - Canadian Subject Headings
6 - Répertoire de vedettes-matière
7 - Source specified in subfield $2
Subject added entry in which the entry element is a meeting or conference name.
Subject added entries are assigned to a bibliographic record to provide access according to established subject cataloging principles and guidelines. Field 611 may be used by any institution assigning subject headings based on the lists and authority files identified in the second indicator position or in subfield $2 (Source of heading or term). Subject added entries for meeting or conference names that are entered subordinately to a corporate body are recorded in field 610.
Description of the first indicator position and all subfield codes, as well as input conventions for the 611 field, are given in the X11 Meeting Names-General Information section. Because the second indicator is different for various fields, it is not described in the general information section, but is described below.
Second Indicator - Thesaurus
Subject heading system or thesaurus used in constructing the subject heading.
Subject added entry conforms to and is appropriate for use in the Library of Congress Subject Headings (LCSH) and the Name authority files that are maintained by the Library of Congress.
Subject added entry conforms to the "AC Subject Headings" section of the Library of Congress Subject Headings and is appropriate for use in the LC Annotated Card Program.
Subject added entry conforms to and is appropriate for use in the National Library of Medicine authority files.
Subject added entry conforms to and is appropriate for use in the National Agricultural Library subject authority file.
Subject added entry conforms to a controlled list that cannot be identified by second indicator values 0-3, 5-6 or by a code in subfield $2.
Field 653 (Index Term-Uncontrolled) is used to record terms that are not derived from controlled subject heading lists.
Subject added entry conforms to and is appropriate for use in the Canadian Subject Headings that is maintained by the Library and Archives Canada.
Subject added entry conforms to the Répertoire de vedettes-matière that is maintained by the Bibliothèque de l'Université Laval.
Subject added entry conforms to a set of subject heading system/thesaurus building rules. The identifying code is given in subfield $2.
|611||20$aOlympic Games$n(23rd :$d1984 :$cLos Angeles, Calif.)$vPeriodicals.|
|611||20$aTour de France (Bicycle race)$xHistory.|
|611||20$aDerby (Horse race)$xHistory$y20th century$jdepicted.|
|611||20$aVatican Council$n(2nd :$d1962-1965).$tDecretum de presbyterorum ministerio et vita.|
|611||20$aInternational Congress of Writers for the Defense of Culture$n(1st :$d1935 :$cParis, France)$vFiction.|
|611||20$aWorld Series (Baseball)$xHistory.|
Display Constants - - [dash associated with the content of subfield $v, $x, $y, and $z]
Dash (-) that precedes the subdivision in an extended subject heading is not carried in the MARC record. It may be system generated as a display constant associated with the content of subfield $v, $x, $y, and $z.
|611||20$aPurdue Pest Control Conference$vPeriodicals.|
|Purdue Pest Control Conference-Periodicals.|