First Indicator Undefined # - Undefined |
Second Indicator Undefined # - Undefined |
Subfield Codes |
|
$a - Geographic area code (R) $b - Local GAC code (R) $c - ISO code (R) |
$2 - Source of local code (R) $6 - Linkage (NR) $8 - Field link and sequence number (R) |
Geographic area codes associated with an item. Code from: 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 bibliographic record may be contained in field 052 (Geographic Classification Code). Subfield $b may be used for a local expansion of a GAC code.
Choice of geographic area code is usually based on the geographic names and/or subdivisions in 6XX subject added entry and index term fields. GACs are recorded in field 043 in order of importance, which is generally the same order as the geographic names and/or subdivisions in the 6XX fields.
043 | ##$an-us---$ae-fr---$aa-ja--- [Item represented by record related to the U.S., France, and Japan.] |
043 | ##$anl----- [Item represented by record related to the Great Lakes region.] |
043 | ##$afw----- [Item represented by record related to West Africa.] |
043 | ##$aa-np--- [Item represented by record related to Nepal.] |
043 | ##$an-us-md [Item represented by record related to Maryland.] |
043 | ##$an-uso--$an-usm-- [Collection of steamboat records relating to steamboats operating in the Ohio and Mississippi valleys.] |
043 | ##$as-bl---$bs-bl-ba$2BlRjBN [Item represented by record related to the state of Bahia in Brazil.] |
043 | ##$cus [Contains an ISO 3166-1 code for the United States with no corresponding MARC GAC code.] |
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