Pagan peoples of the central area of Northern Nigeria : (the Butawa, Warjawa, etc., of the Bauchi-Kano borderland ; the Kurama, etc., the Katab Group, the Kadara, etc., of Zaria Province).
- London : International African Institute, l956.
- Ethnographic survey of Africa:. Western Africa ; Ethnographic survey of Africa:. Western Africa ; pt.12 .