ISO 639 is a set of standards by the International Organization for Standardization that is concerned with representation of names for languages and language groups.
ISO 639-1:2002, Codes for the representation of names of languages—Part 1: Alpha-2 code, is the first part of the ISO 639 series of international standards for language codes. Part 1 covers the registration of two-letter codes. There are 183 two-letter codes registered as of June 2021. The registered codes cover the world's major languages.
ISO 639-2:1998, Codes for the representation of names of languages — Part 2: Alpha-3 code, is the second part of the ISO 639 standard, which lists codes for the representation of the names of languages. The three-letter codes given for each language in this part of the standard are referred to as "Alpha-3" codes. There are 487 entries in the list of ISO 639-2 codes.
APF, or apf, may refer to:
ISO 639-3:2007, Codes for the representation of names of languages – Part 3: Alpha-3 code for comprehensive coverage of languages, is an international standard for language codes in the ISO 639 series. It defines three-letter codes for identifying languages. The standard was published by International Organization for Standardization (ISO) on 1 February 2007.
AGV, or agv, may refer to:
ISO 639-5:2008 "Codes for the representation of names of languages—Part 5: Alpha-3 code for language families and groups" is a highly incomplete international standard published by the International Organization for Standardization (ISO). It was developed by ISO Technical Committee 37, Subcommittee 2, and first published on May 15, 2008. It is part of the ISO 639 series of standards.
ISO 639-6, Codes for the representation of names of languages — Part 6: Alpha-4 code for comprehensive coverage of language variants, was a proposed international standard in the ISO 639 series, developed by ISO/TC 37/SC 2. It contained four-letter codes that denote variants of languages and language families. This allowed one to differentiate between, for example, historical (glvx) versus revived (rvmx) Manx, while ISO 639-3 only includes glv for Manx.
ISO 639 is a set of standards by the International Organization for Standardization that is concerned with representation of names for languages and language groups. Lists of ISO 639 codes are:
An IETF BCP 47 language tag is a standardized code or tag that is used to identify human languages in the Internet. The tag structure has been standardized by the Internet Engineering Task Force (IETF) in Best Current Practice (BCP) 47; the subtags are maintained by the IANA Language Subtag Registry.
Spurious languages are languages that have been reported as existing in reputable works, while other research has reported that the language in question did not exist. Some spurious languages have been proven to not exist. Others have very little evidence supporting their existence, and have been dismissed in later scholarship. Others still are of uncertain existence due to limited research.
The Negrito peoples of the Philippines speak various Philippine languages. They have more in common with neighboring languages than with each other, and are listed here merely as an aid to identification.
Casiguran Dumagat Agta, also known as Casiguran Agta, is a Northeastern Luzon language spoken in the northern Philippines. It is spoken by around 610 speakers, most of whom live in the San Ildefonso Peninsula, across the bay from Casiguran, Aurora.
Paranan, also called Palanan, is a Philippine language belonging to the Northern Luzon languages. It is spoken in the northeastern coastal areas of Isabela, Philippines. Lexically but not grammatically it is extremely close to Pahanan Agta as groups of both languages were together isolated from other communities and remained in constant interaction.
Inagta Alabat is a Philippine Negrito language spoken in central Alabat Island, Philippines.
Katabangan is an extinct Aeta language that was spoken in the Bondoc Peninsula of Quezon Province, southern Luzon in the Philippines. It is misspelled Katabaga in Ethnologue.
The Northeastern Luzon languages is a primary subgroup of the Northern Luzon languages, proposed by Robinson & Lobel (2013) based on historical phonology, functors, and lexicon.
