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languages

Links

Part Desription Wikipedia
iso-639 Overview article
iso-639-1 Alpha-2 code article codes
iso-639-2 Alpha-3 code article codes
iso-639-3 Alpha-3 code for comprehensive coverage of languages article
iso-639-4 Implementation guidelines and general principles for language coding
iso-639-5 article
iso-639-6 Alpha-4 representation for comprehensive coverage of language variants article

other language codes (non iso)