Souleymane Faye and Hillebrand Dijkstra. 2005. "Glottalisées Du Sereer-ssin, Du Saafi-saafi Et Du Noon Du Senegal: Étude Comparative De La Sonorité." In Sudlangues: revue electronique internationale de sciences du langage, 4: 121-138. Online: http://www.sudlangues.sn/IMG/pdf/doc-96.pdf.
Farler, John Prediger. 1879. "The Usambara Country in East Africa." In Proceedings of the Royal Geographical Soc. and monthly record of geography, 1 , no. 2: 81-79.
Farler, [Archd.]. 1885. "Supplement: a Brief Vocabulary of the Kibwayo Dialect." In A pocket vocabulary of the ki-Swahili, ki-Nyika, ki-Taita and ki-Kamba languages, edited by Archibald Downes Shaw. Soc. for Promoting Christian Knowledge (SPCK).
Fallon, Paul D. 2006. "Blin Orthography: a History and An Assessment." In Selected proceedings of the 36th annual conference on African linguistics: shifting the center of Africanism in language politics and economic globalization, edited by Olaoba F. Arasanyin and Michael A. Pemberton. 93-98. Cascadilla Proceedings Project.
Fakuade, Gbenga, Matudi Gambo and Abdullahi Bashir. 2003. "Language Shift From Mother Tongue Towards Fulfulde in Adamawa State, Nigeria: Causes and Consequences." In Anthropological linguistics, 45 , no. 3: 296-225.
Evans-Pritchard, Edward Evan. 1929. "Some Collective Expressions of Obscenity in Africa." In Journal of the Royal Anthropological Inst. of Great Britain and Ireland, 59: 311-331.