First Indicator | Second Indicator |
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Undefined # - Undefined |
Undefined # - Undefined |
Subfield Codes | |
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Geographic area codes (GAC) associated with the 1XX heading in an established heading record or a subdivision record. Source of the code in subfield $a is MARC Code List for Geographic Areas. The source of a local code in subfield $b is indicated in subfield $2. The source of codes in subfield $c is ISO 3166, Codes for the representation of names of countries and their subdivisions - Part 1 : Country codes or Part 2 : Country subdivision codes.
More precise identification of geographic areas associated with a geographic name heading may be contained in field 052 (Geographic Classification Code).
$a - Geographic area code
Seven-character MARC code for a geographic area. Each geographic area code associated with a heading is contained in a separate subfield $a.
100 | 1#$aFord, Gerald R.,$d1913-$xMuseums$zMichigan | ||||||||
043 | ##$an-us-mi |
110 | 1#$aFrance.$tTreaties, etc.$gPoland,$d1948 Mar. 2 | ||||||||
043 | ##$ae-fr---$ae-pl--- |
130 | #0$aBible$zGermany | ||||||||
043 | ##$ae-gx--- |
150 | ##$aCanadian Grand Prix Race | ||||||||
043 | ##$an-cn--- |
150 | ##$aWater resources development$zKenya | ||||||||
043 | ##$af-ke--- |
151 | ##$aAmazon River | ||||||||
043 | ##$asa----- |
181 | ##$zOntario | ||||||||
043 | ##$an-cn-on |
$b - Local GAC code
Code is formulated by attaching a local subentity code to an already established geographic area code. Each local GAC associated with an item is contained in a separate subfield $b. It is recommended that standard GACs also be included in subfield $a for international exchange and understanding.
043 | ##$as-bl---$bs-bl-ba$2 [source of local code] [Item represented by record related to the state of Bahia in Brazil.] |
$c - ISO code
Code taken from the International Organization for Standardization's Codes for the representation of names of countries and their subdivisions - Part 1: Country codes or Part 2 : Country subdivision codes (ISO 3166).
043 | ##$cus [Contains an ISO 3166-1 code for the United States with no corresponding MARC GAC code] |
$0 - Authority record control number or standard number
See description of this subfield in Appendix A: Control Subfields.
$1 - Real World Object URI
See description of this subfield in Appendix A: Control Subfields.
$2 - Source of local code
Code that identifies the source from which the local code was assigned. Used only when subfield $b is used to indicate a local GAC code. Code from: Geographic Area Code and Term Source Codes.
$6 - Linkage
See description of this subfield in Appendix A: Control Subfields.
$7 - Data provenance
See description of this subfield in Appendix H: Data Provenance Subfields.
$8 - Field link and sequence number
See description of this subfield in Appendix A: Control Subfields.
Structure - All alphabetical characters are input in lowercase. Embedded and trailing hyphens are carried in the MARC record. A detailed description of the structure and use of GACs is contained in MARC Code List for Geographic Areas.
Subfield $c was defined to accommodate ISO 3166 country codes.