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This is an ARCHIVED VERSION of the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)
$2 - Source of heading or term (NR)
$3 - Materials specified (NR)
$8 - Field link and sequence number (R)
Examples
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648 |
#7$a1900-1999$2fast |
648 |
#7$a1862$2fast |
648 |
#7$a1862$2fast |
648 |
#7$a1800-1899$2fast |