Bibliography
Bibliography of Vitality:
Dimmendaal, Gerrit J. and F. K. Erhard Voeltz. 2007. "Africa." In Encyclopedia of the World's Endangered Languages, edited by Christopher Moseley. Routledge.
Bibliography of Locations:
Edward Hall. 2006. "The Tonal Behaviour of One Class of Singular-Forming Nuns in the Kamda Language." In Insights into Nilo-Saharan Language, History and Culture: Proceedings of the 9th Nilo-Saharan Linguistic Colloquium, Institute of African and Asian Studies, University of Khartoum, 16-19 February 2004, edited by Al-Amin Abu-Manga et al. 173-181. Rüdiger Köppe.
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.