Nilo-Saharan : Proceedings of the Nilo-Saharan Linguistics Colloquium, Leiden, September 8-10, 1980 - Nilo-Saharan Linguistics Colloquium 1980 : Leiden); Schadeberg, Thilo C.; Bender, M. Lionel (Dordrecht : Foris Publication, 1981)
Keywords: Nilo-Saharan languages -- Congresses; Nilo-Saharan languages