Islam in tropical Africa: studies presented and discussed at the fifth International African Seminar, Ahmadu Bello University, Zaria, January 1964;
edited with an introduction by I. M. Lewis, foreword by Daryll Forde.
- London, published for the International African Institute by Oxford U. P., 1966.
- x, 470 p. front., maps. 23 cm.
Organized by the International African Institute. Contributions in English and French.