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651 - SUBJECT ADDED ENTRY--GEOGRAPHIC NAME (R)
A subject added entry in which the entry element is a geographic name.
Indicators
- First - Undefined
- # - Undefined
- Second - Thesaurus
The thesaurus or authority file from which the heading came.- 0 - Library of Congress Subject Headings
The subject added entry conforms to and is appropriate for use in the Library of Congress Subject Headings (LCSH) and the Name authority files.
- 1 - LC subject headings for children's literature
The subject added entry conforms to the "AC Subject Headings" section of the LCSH and is appropriate for use in the LC Annotated Card Program.
- 2 - Medical Subject Headings
The subject added entry conforms to the NLM authority files.
- 3 - National Agricultural Library subject authority file
The subject added entry conforms to the NAL subject authority file.
- 4 - Source not specified
The subject added entry conforms to a controlled list that cannot be identified by another defined value or by a code in subfield $2.
- 5 - Canadian Subject Headings
The subject added entry conforms to and is appropriate for use in the Canadian Subject Headings and the LAC authority files.
- 6 - Répertoire de vedettes-matière
The subject added entry conforms to and is appropriate for use in the Répertoire de vedettes-matière and the LAC authority fields
- 7 - Source specified in subfield $2
- 0 - Library of Congress Subject Headings
Subfield Codes
- $a - Geographic name (NR)
- $v - Form subdivision (R)
- $x - General subdivision (R)
- $y - Chronological subdivision (R)
- $z - Geographic subdivision (R)
- $2 - Source of heading or term (NR)
Code from: MARC Code Lists for Relators Sources Description Conventions - $3 - Materials specified (NR)
- $6 - Linkage (NR) See Control Subfields
- $8 - Field link and sequence number (R) See Control Subfields
Examples
651 |
#0$aAmazon River. |
651 |
#0$aAltamira Cave (Spain) |
651 |
#0$aPompeii (Extinct city) |
651 |
#0$aAntietam National Battlefield (Md.) |
651 |
#0$aKing Ranch (Tex.) |
651 |
#0$aMing Tombs (China) |
651 |
#0$aChelsea (London England) |
651 |
#0$aRussia$xHistory$vMaps. |
651 |
#0$aTexas$xOfficials and employees. |
651 |
#0$aUnited States$xBoundaries$zCanada. |
651 |
#0$3Psychiatric admission records$aPennsylvania$xNuclear reactor safety$y1975-1985$zUnited States. |

