748 - Index Term-Chronological (R)
MARC 21 Classification - 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This is an ARCHIVED VERSION of the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.
Chronological term used as an index term that supplements
terms derived from data in the MARC classification record. The
term may be referred to in the classification number and
caption in field 153 (Classification Number).
For descriptions of some subelements defined for this field,
see the field
648 (Subject Added Entry--Chronological Term) section of
the MARC 21 Concise Format for Bibliographic Data.
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 - Record control number (R)
$2 - Source of heading or term (NR)
$3 - Materials specified (NR)
$8 - Field link and sequence number (R)
Examples
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748 |
#7$a1900-1999$2fast |
748 |
#7$a1862$2fast |
748 |
#7$a1800-1899$2fast |