Bibliography

Bibliography of Vitality:
Siebert, Ralph, Kati Siebert and Klaus Wedekind. 2002. "Sociolinguistic Survey Report On Languages of the Asosa - Begi - Komosha Area Part I." Online: http://www.sil.org/silesr/2002/SILESR2002-054.pdf.
Bibliography of Locations:
Moseley, Christopher (ed.). 2010. Atlas of the World’s Languages in Danger, 3rd edn. http://www.unesco.org/culture/en/endangeredlanguages/atlas. (03 June, 2011.)
Bibliography of Context:
Siebert, Ralph, Kati Siebert and Klaus Wedekind. 2002. "Sociolinguistic Survey Report On Languages of the Asosa - Begi - Komosha Area Part I." Online: http://www.sil.org/silesr/2002/SILESR2002-054.pdf.