Dimmendaal, G. J. 1982. "Contacts Between Eastern Nilotic and Surma Groups: Linguistic Evidence." In Culture history in the Southern Sudan: archaeology, linguistics and ethnohistory, edited by John Mack and Peter Robertshaw. 8: 101-110. Nairobi: British Institute in Eastern Africa.

Gerrit Jan Dimmendaal. 1998. "Language Contraction Versus Other Types of Contact-induced Change." In Endangered Languages in Africa, edited by Matthias Brenzinger. 71-117. Köln: Rüdiger Köppe.

Dilnesaw, Abraham. Word Formation in Oyda. Master thesis, Addis Ababa University, 2003. Online: http://etd.aau.edu.et/dspace/bitstream/123456789/623/1/ABRAHAM%%20DILNE….

Dijkmans, Joseph J. M. 1974. "Kare-Taal: Lijst Van Woorden Gangbaar Bij Het Restvolk Kare Opgenomen in De Jaren 1927-1947." Sankt Augustin: Anthropos-Institut - Haus Völker und Culturen.

Dickens, Patrick. 1992. "Juěrticalline." Windhoek: Nyae Nyae Development Foundation.

Dickens, Patrick J. 2005. "A Concise Grammar of Ju/'hoan." 17: 114. Köln: Rüdiger Köppe.

Dickens, Patrick. 1994. "English - Juex͡tpipe." 8: Köln: Rüdiger Köppe.

Diatta, Christian Sina. 1998. "Parlons Jola: Langue Et Culture." Paris: L'Harmattan.

Demuenynck, B. 1908. "Les Pygmées Du Haut-Ituri." In Bulletin de la Société royale belge de géographie, 32: 134-140.

Dempwolff, O. 1916. "Die Sandawe: Linguistisches Und Ethnographisches Material Aus Deutsch-Ostafrika." XXXIV: Hamburg: L. Friederichsen.