Library of Congress >> MARC >> Community Information >> 6XX  >> 630

630 - Subject Added Entry-Uniform Title (R)


MARC 21 Community Information - full
December 2017

First Indicator Second Indicator
Nonfiling characters
0-9 - Number of nonfiling characters present

Thesaurus
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
  • $a - Title (NR)
  • $f - Date of a work (NR)
  • $n - Number of part/section of a work (R)
  • $p - Name of part/section of a work (R)
  • $s - Version (NR)
  • $v - Form subdivision (R)
  • $x - General subdivision (R)
  • $y - Chronological subdivision (R)
  • $z - Geographic subdivision (R)
  • $0 - Authority record control number or standard number (R)
  • $1 - Real World Object URI (R)
  • $2 - Source of heading or term (NR)
  • $6 - Linkage (NR)
  • $8 - Field link and sequence number (R)

FIELD DEFINITION AND SCOPE

Publication title used as a subject added entry.

Subject added entries are assigned to a community information record to provide access according to established subject cataloging principles and guidelines. Field 630 may be used by any institution assigning subject headings based on the lists and authority files identified in the second indicator position or in subfield $2 (Source of heading or term).


GUIDELINES FOR APPLYING CONTENT DESIGNATORS

Description of the first indicator position and all subfield codes, as well as input conventions for the 630 field are given in the X30 Uniform Titles-General Information section. Because the second indicator is different for various fields, it is not described in the general information section, but is described below.

INDICATORS

Second Indicator - Thesaurus

Name and/or subject heading system or thesaurus used in constructing the subject heading.

0 - Library of Congress Subject Headings

Subject added entry conforms to and is appropriate for use in the Library of Congress Subject Headings (LCSH) and the Name authority files. LCSH is maintained by the Library of Congress. Conforms to LCSH is defined as:

  • headings (or headings and subdivisions) found in the LC authority files (including name authorities), or in the latest edition of LCSH, including the latest microfiche, printed version, CD-ROM, and supplements;
  • headings constructed following AACR 2;
  • headings found in the LC authority files, the latest edition of LCSH, or constructed following AACR 2 to which is added a free-floating or regular subdivision according to the rules stated in the Subject Cataloging Manual: Subject Headings, particularly subdivisions listed in the pattern lists, and geographic subdivisions formulated and applied according to the rules in the manual
1 - LC subject headings for children's literature

Subject added entry conforms to the "AC Subject Headings" section of Library of Congress Subject Headings that is maintained by the Library of Congress and is appropriate for use in the LC Annotated Card Program.

2 - Medical Subject Headings

Subject added entry conforms to and is appropriate for use in the National Library of Medicine authority files.

3 - National Agricultural Library subject authority file

Subject added entry conforms to and is appropriate for use in the U.S. National Agricultural Library subject authority file.

4 - Source not specified

Subject added entry conforms to a controlled list but the source cannot be specified by one of the subject heading system/thesauri covered by second indicator values 0-3, 5-6 or by a code for a specific subject heading list in subfield $2. Field 653 (Index Term-Uncontrolled) is used to record terms that are not derived from controlled subject heading lists.

5 - Canadian Subject Headings

Subject added entry conforms to and is appropriate for use in the Canadian Subject Headings and the NLC authority files that are maintained by the Library and Archives Canada.

6 - Répertoire de vedettes-matière

Subject added entry conforms to and is appropriate for use in the Répertoire de vedettes-matière that is maintained by the Bibliothèque de l'Université Laval.

7 - Source specified in subfield $2

Subject added entry conforms to a set of subject heading system/thesaurus building rules other than that specified by one of the other defined values and for which identifying codes are given in subfield $2. Codes from: Subject Heading and Term Source Codes.

EXAMPLE

630 00$aBible.$pN.T.$pCorinthians, 1st.

Library of Congress >> MARC >> Community Information >> 6XX  >> 630
(12/18/2017)
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