オンガン語族
Blevins, Juliette (2007), “A Long Lost Sister of Proto-Austronesian? Proto-Ongan, Mother of Jarawa and Onge of the Andaman Islands”, Oceanic Linguistics 46 (1): 154–198, doi:10.1353/ol.2007.0015, http://email.eva.mpg.de/~blevins/pdf/webpub2007a.pdf (available here)
Das Gupta, D. and S. R. Sharma. A Handbook of the Önge Language. Anthropological Survey of India: Calcutta 1982.
E. H.