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ISO 639

ISO 639 is a standard by the International Organization for Standardization (ISO) concerned with representation of languages and language groups. It currently consists of four sets (1-3, 5) of code, named after each part which formerly described respective set (part 4 was guidelines without its own coding system); a part 6 was published but withdrawn. It was first approved in 1967 as a single-part ISO Recommendation, ISO/R 639,[1] superseded in 2002 by part 1 of the new series, ISO 639-1,[2] followed by additional parts. All existing parts of the series were consolidated into a single standard in 2023,[3] largely based on the text of ISO 639-4.

  1. ^ "ISO/R 639:1967". International Organization for Standardization. 1988-03-01. Retrieved 2012-08-05.
  2. ^ "ISO 639:1988". International Organization for Standardization. Retrieved 2012-08-05.
  3. ^ "ISO 639:2023". International Organization for Standardization. Retrieved 2023-11-15.