The InternetRequest for Comment document about Tags for the Identification of Languages (ftp://ftp.rfc-editor.org/in-notes/rfc3066.txt). It provides a way to register extensions of codes for language names in ISO 639. The current reviewer of new tags and maintainer of the registry is Michael Everson (http://www.evertype.com/standards/iso639/iana-lang-assignments). An alternative for language codes is the Ethnologue.
... (January 3, 1840 - April 15, 1888) was a Roman Catholic priest who dedicated his life to ministering to the sufferers of Hansen's disease (leprosy) who lived on the ...