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653  Index Term–Uncontrolled (R)


Input Standards

1st Indicator  Level of subject
blank character No information provided
No level specified
1 Primary
2 Secondary
2nd Indicator  Type of term or name
blank character No information provided.
Topical term
1 Personal name
2 Corporate name
3 Meeting name
4 Chronological term
5 Geographical term
6 Genre/form term
Subfields (R=Repeatable  NR=Nonrepeatable) Input Standards
‡a Uncontrolled term (R) Mandatory/Mandatory


Index terms that are not derived from a controlled thesaurus or subject heading system.

1st Indicator

Level of subject. The level of the subject entry. Use the 1st indicator to distinguish primary and secondary descriptors.
blank character No information provided. No information as to the level of the subject term is provided.
653     Stamp collecting (United States)
No level specified. The level of the subject term could be determined, but is not specified.
653   Contract theory
653   Corporate governance
1 Primary. A subject covers the main focus or subject content of the material.
653 1   Ice, Sculpture, moulds, etc. ‡a Children's games
2 Secondary. A subject covers a less important aspect of the content of the material.
653 2   Peg puzzles
653 2   Wood puzzles
653 2   Construction sets

2nd Indicator

Type of term or name. Distinguishes uncontrolled index terms by type.
blank character No information provided. 
653     Great Britain ‡a Welfare services ‡a Policies compared with ‡a policies in United States, history
653     United States ‡a Welfare services ‡a Policies compared with ‡a policies in Great Britain, history
Topical term
653   Elections
1 Personal name
653   1 Plath
2 Corporate name
653   2 UNICEF
3 Meeting name
653   3 Convention on the Civil Aspects of International Child Abduction (The Hague, 25 October 1980)
4 Chronological term
653   4 1950-1984
5 Geographical term
653   5 Hamburg
6 Genre/form term
653   6 Coming of age stories


‡a Uncontrolled term   An index term from an uncontrolled thesaurus or subject heading system. Repeat subfield ‡a when more than one index term at the level designated in the 1st indicator is assigned.
653     Man ‡a Eyes ‡a Diseases


Field 653 does not print.

This page last revised: July 28, 2014