Skip to page content

United States (English) Change

Contents   Fixed field   0xx   1xx   2xx   3xx   4xx   5xx   6xx   7xx   8xx   9xx

653  Index Term–Uncontrolled (R)

Input Standards

Optional/Optional
1st Indicator  Level of subject
blank character  No information provided
0 No level specified
1 Primary
2 Secondary
2nd Indicator  Undefined
blank character  Undefined
Subfields (R=Repeatable  NR=Nonrepeatable) Input Standards
‡a Uncontrolled term (R) Mandatory/Mandatory


Definition

 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)
0 No level specified. The level of the subject term could be determined, but is not specified.
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.

2nd Indicator

 Undefined. The 2nd indicator position is undefined and contains a blank (blank character ).
blank character Undefined

Subfields
‡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

Printing

 Field 653 does not print.

back to top