Bibliography

Bibliography of Vitality:
Austin, Peter. 2008. "One Thousand Languages: Living, Endangered, and Lost." University of California.
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:
Dimmendaal, Gerrit J. and F. K. Erhard Voeltz. 2007. "Africa." In Encyclopedia of the World's Endangered Languages, edited by Christopher Moseley. Routledge.