Pagan tribes of the Nilotic Sudan, [print]
by C.G. Seligman ... and Brenda Z. Seligman; with an introduction by Sir Harold M. [id est A. MacMichael.
- London, G. Routledge and Sons, ltd., (c)1932.
- xxiv, 565 pages front., illustrations, LX pl., maps (1 folded) folded genealogical tab. 25 cm.
- The Ethnology of Africa .