1. List of notified scheduled tribes, census of India. Online:
http://censusindia.gov.in/Tables_Published/SCST/ST%20Lists.pdf
2. Office of the Registrar General and Census Commissioner India (2011) Statement-1 part-b languages not specified in the eighth schedule (non-scheduled languages). Online:
http://censusindia.gov.in/2011Census/Language-2011/Statement-1.pdf
3. Moseley C (ed.) (2010) Atlas of the world’s languages in danger, 3rd edn. Paris, UNESCO Publishing. Online version:
http://www.unesco.org/languages-atlas/en/atlasmap/language-id-988.html
4. Office of the Registrar General and Census Commissioner, India, State Maps.
http://censusindia.gov.in/maps/State_Maps/StateMaps_links/arunachal01.html
5. Mark William Post (2007) A grammar of Galo. PhD Thesis, La Trobe University