648 - Subject Added Entry-Chronological Term (R)


MARC 21 Bibliographic - Concise
2008

This is an ARCHIVED VERSION of the 2008 electronic edition of the MARC 21 Concise Formats. Please see loc.gov/marc/concise/ for the most up-to-date version of the electronic MARC 21 Concise Formats.

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 (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: MARC Code Lists for Relators, Sources, Description Conventions.
$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


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