The Arapahoan languages are a group of languages belonging to the Plains group of Algonquian languages of the larger Algic family. The Nawathinehena language, which was once spoken by the Arapaho is now extinct, while Arapaho and Gros Ventre are currently endangered.
- ↑ Raymond G. Gordon, Jr, ed. 2005. Ethnologue: Languages of the World. 15th edition. Dallas: Summer Institute of Linguistics.
- Ethnologue entry for Arapaho languages
- Marianne Mithun. 1999. The Languages of Native North America. Cambridge Language Surveys. Cambridge: Cambridge University Press.
- Arapahoan languages on English Wikipedia