|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
Uniform title that is equivalent to the title contained in the 130 field of the same record. It links equivalent headings within a system or from different thesauri or authority files.
Most of the content designators defined for field 730 are the same as those defined for field 130 (Heading-Uniform Title), field 430 (See From Tracing-Uniform Title), and field 530 (See Also From Tracing-Uniform Title). Description, guidelines, and input conventions for shared content designators are given in the X30 Uniform Titles-General Information section.
Guidelines for applying the second indicator, subfield $w (Control subfield), $2 (Source of heading or term), subfield $i (Relationship information), and subfield $4 (Relationship code) in field 730 are given in the 7XX Heading Linking Entries-General Information section.
Equivalent uniform title in a multilingual thesaurus:
[established heading record]
[LAC English heading]
[Corresponding LAC French heading]