Library of Congress >> MARC >> Authority >> 7XX >> 781

781 - Subdivision Linking Entry-Geographic Subdivision (R)


MARC 21 Authority - Concise
2007

Geographic subdivision name that is equivalent to the 151 geographic name or 181 geographic subdivision field of the same record. It links headings within a system or from different thesauri or authority files.

See field 181 for descriptions of most content designators.

Indicators
First - Undefined
# - Undefined
Second - ThesaurusThesaurus or authority file from which the heading came.
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)
See Heading Linking Entries--General Information
/0 - Link display
a - Link not displayed
b - Link not displayed, field 788 used
c - Link not displayed, non-7XX field used
n - Not applicable
/1 - Replacement complexity
a - Heading replacement does not require review
b - Heading replacement requires review
n - Not applicable
$x - General subdivision (R)
$y - Chronological subdivision (R)
$z - Geographic subdivision (R)
$0 - Record control number (R)
See description of this subfield in Appendix A: Control Subfields.
$2 - Source of heading or term (NR)
See Heading Linking Entries--General Information
$5 - Institution to which field applies (R)
See description of this subfield in Appendix A: Control Subfields.
$6 - Linkage (NR)
See description of this subfield in Appendix A: Control Subfields.
$8 - Field link and sequence number (R)
See description of this subfield in Appendix A: Control Subfields.
Examples
781 #0$zUkraine, Southern
781 #0$zNew York (State)$zRome

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