|First Indicator||Second Indicator|
# - Undefined
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
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), subfield $2 (Source of heading or term), subfield $i (Relationship information), and subfield $4 (Relationship code) 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:
[established heading record]
[code indicating LCSH]