Library of Congress >> MARC >> Authority >> 7XX >> 782

782 - Subdivision Linking Entry-Chronological Subdivision (R)

MARC 21 Authority - Full
October 2002

First Indicator
# - Undefined

Second Indicator
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
$v - Form subdivision (R)
$w - Control subfield (NR)
    /0 - Link display
    /1 - Replacement complexity
$x - General subdivision (R)
$y - Chronological subdivision (R)
$z - Geographic subdivision (R)
$0 - Record control number (R)
$2 - Source of heading or term (NR)
$5 - Institution to which field applies (R)
$6 - Linkage (NR)
$8 - Field link and sequence number (R)


Chronological subdivision term that is equivalent to the 150 topical term or 182 chronological subdivision field of the same record. It links headings within a system or from different thesauri or authority files.


Most of the content designators defined for field 782 are the same as those defined for field 182 (Heading-Chronological Subdivision), field 482 (See From Tracing-Chronological Subdivision), and field 582 (See Also From Tracing-Chronological Subdivision). Description, guidelines, and input conventions for shared content designators are given in the X82 Chronological Subdivisions-General Information section.

Guidelines for applying the second indicator, subfield $w (Control subfield), and subfield $2 (Source of heading or term) in field 782 are given in the 7XX Heading Linking Entries-General Information section.


Equivalent form of a topical term when it is used as a subdivision; no separate subdivision record:

008/09 a
[established heading record]
008/11 a
[code indicating LCSH]
150 ##$aTwentieth century
782 #0$wa$y20th century

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