The Northern Tribes of Nigeria. An ethnographical Account of the Northern Provinces of Nigeria together with a Report on the 1921 decennial Census. 2 Vols.
Oxford, University Press, 1925.
2 orig. full cloth. Gilt lettering on spines. Stamp on half-titles. Frontispiece. XVIII,312;VIII,277 pp., 122 illustrations on many plates after photographs, 3 large folded maps. Clean and fine.