International African Institute
Linguistic survey of the northern Bantu borderland
A five-year plan of research
A study of the Acooli language
African worlds
Alphabets for the Efik, Ibo, and Yoruba languages
Alphabets for the Mende, Temne, Soso, Kono and Limba languages
Aspects sociaux de l'industrialisation et de l'urbanisation en Afrique au sud du Sahara
Ethnographic survey of Africa
Government in Zazzau, 1800-1950
List of members
Peoples of the Niger-Benue confluence
Publications on the Bushman tribes of South Africa