Sara Petrollino and Maarten Mous. 2010. "Recollecting Words and Expressions in Aasá, a Dead Language in Tanzania." In Anthropological Linguistics, 52: 206-216. University of Nebraska Press.
Ilana Mushin. 2005. "Narrative Functions of Clause Linkage in Garrwa: A Perspective Analysis." In Studies in Language, 29: 1-33. John Benjamins.
Steve White. 2012. "The Last Word: Kusunda Language Set To Die Out Because Only One Speaker Is Left." In Mirror News, Online: http://www.mirror.co.uk/news/world-news/kusunda-language-set-to-die-out….
Bimal Gautam. 2012. "Nepal's Mystery Language On the Verge of Extinction." In BBC, Online: http://www.bbc.co.uk/news/world-asia-17537845.
G. Tucker Childs. 2006. "Language Endangerment in West Africa: Its Victims and Causes." In The Joy of Language: Proceedings of a symposium honoring the colleagues of David Dwyer on the occasion of his retirement, Online: https://www.msu.edu/~dwyer/16-Childs.doc.
2012. "Endangered Languages Catalogue Project. Compiled By Research Teams At University of Hawai'i Mānoa and Institute For Language Information and Technology (LINGUIST List) At Eastern Michigan University."