The codes should not be used in exchange records until 60 days after the date of this notice to provide implementers time to include newly-defined codes in any validation tables.
Cartographic Data Source Codes
The following source codes have been added to the Cartographic Data Source Codes list for usage in appropriate fields and elements.
Additions:
- cwg
- Cambridge world gazetteer: a geographical dictionary (Cambridge ; New York: Cambridge University Press)
- edm
- Enciclopedia de Mexico (Ciudad de Mexico: Enciclopedia de Mexico)
- fnib
- Foreign names information bulletin (Washington, D.C.: Defense Mapping Agency)
Subject Heading and Term Source Codes
The following source codes have been added to the Subject Heading and Term Source Codes list for usage in appropriate fields and elements.
Additions:
- ddcut
- Dewey Decimal Classification user terms (Dublin, Ohio: OCLC Online Computer Center)
- noram
- Noram: emneord for Norsk-amerikansk samling (Oslo: Nasjonalbiblioteket)