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ISO ISO 639

Codes for the Representation of the Names of Languages - Documents the essential information from ISO 639, Codes for the Representation of the Names of Languages.

Global Data Standards Repository - Lists of code from ISO 639 and other standards.

ISO 639 - Codes for the Representation of the Names of Languages. A useful list.

ISO 639 - Code for the representation of names of languages.

ISO 639-1 and ISO 639-2: International Standards for Language Codes. ISO 15924: International Standard for names of scripts - 65th IFLA Council and General Conference - Conference Programme and Proceedings - An overview and history of the standard.

ISO 639-2 Codes for languages - Library of Congress document contains the ISO 639-2 Alpha-3 and Alpha-2 codes for languages.