Library of Congress >> MARC >> Bibliographic >> 6XX >> 650

650 - Subject Added Entry-Topical Term (R)


MARC 21 Bibliographic - Concise
2007

Subject added entry in which the entry element is a topical term.

Indicators
First - Level of subject
# - No information provided
0 - No level specified
1 - Primary
2 - Secondary
Second - Thesaurus
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
Subfield Codes
$a - Topical term or geographic name entry element (NR)
$b - Topical term following geographic name entry element (NR)
$c - Location of event (NR)
$d - Active dates (NR)
Time period during which an event occurred.
$e - Relator term (R)
Specifies the relationship between the topical heading and the described materials, e.g., depicted.
$v - Form subdivision (R)
$x - General subdivision (R)
$y - Chronological subdivision (R)
$z - Geographic subdivision (R)
$0 - Authority record control number (R)
See description of this subfield in Appendix A: Control Subfields.
$2 - Source of heading or term (NR)
MARC code that identifies the source list from which the subject added entry was assigned. It is used only when the second indicator position contains value 7 (Source specified in subfield $2). Code from: Subject Heading and Term Source Codes.
$3 - Materials specified (NR)
$4 - Relator code (R)
$6 - Linkage (NR)
See description of this subfield in Appendix A: Control Subfields.
$8 - Field link and sequence number (R)
See description of this subfield in Appendix A: Control Subfields.
Examples
650 #0$aArchitecture, Modern$y19th century.
650 00$aFlour industry$vPeriodicals.
650 17$aCareer Exploration.$2ericd
650 #0$aConcertos (String orchestra)
650 #0$aVocal music$zFrance$y18th century.
650 #0$aDentistry$vJuvenile films.
650 #0$aSeabiscuit (Race horse),$edepicted.
650 #0$aUnicorns,$edepicted
650 #0$aReal property$zMississippi$zTippah County$vMaps.
650 #7$aEducational buildings$zWashington (D.C.)$y1890-1910.$2lctgm
650 17$aCareer Exploration.$2ericd

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