Library of Congress >> MARC >> Bibliographic >> 6XX  >> 648

648 - Subject Added Entry-Chronological Term (R)


MARC 21 Bibliographic - concise
October 2014

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

Indicators

First - Undefined
# - Undefined
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 - Chronological term (NR)
$v - Form subdivision (R)
$x - General subdivision (R)
$y - Chronological subdivision (R)
$z - Geographic subdivision (R)
$0 - Authority record control number or standard 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)
$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

648 #7$a1900-1999$2fast
648 #7$a1862$2fast
648 #7$a1862$2fast
648 #7$a1800-1899$2fast

Library of Congress >> MARC >> Bibliographic >> 6XX  >> 648
(10/20/2014)
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