edited by F. Clark Howell and François BourlièreDistributed through Current antholopology for the Wenner-Gren Foundation for Anthropological Research1963
by H.L. Shantz and C.F. Marbut ; with a section on the land classification of Africa by the joint authors, and a note on a rainfall map of Africa by J.B. KincerPublished jointly by the National Research Council and the American Geographical Society1923