the Nilotic peoples, Cologne, January 4–6, 1982 vol. 2 / Rainer Vossen, Marianne Bechhaus-Gerst (eds ), vol. 2, pp 499–521. Harold C. Fleming (1983) 'Kuliak External Relations: Step One'. In Nilotic studies: proceedings of the international symposium on languages and history of the Nilotic peoples, Cologne, January 4–6, 1982 vol. 2 / Rainer Vossen, Marianne Bechhaus-Gerst (eds ), vol. 2, p. 429. Blench, Roger M. 1999. "Are the African pygmies an ethnographic fiction?" Central African hunter-gatherers in a multidisciplinary perspective: challenging elusiveness, pp 41–60. Edited by Karen Biesbrouck, Stefan Elders & Gerda Rossel. Research School of Asian, African and Amerindian Studies (CNWS), State University of Leiden. Leiden. Blench, Roger M. 1993. "Recent Developments in African Language Classification" The Archaeology of Africa: Food, Metals and Towns (), edited by Thurstan Shaw, page 135. References Weblinks Biography of John G. Wilson Languages of Uganda Extinct languages of Africa Unclassified languages of Africa Spurious languages Languages extinct in the 1950s