Du Bois, W. E. B. 1. (1965). The world and Africa: An inquiry into the part which Africa has played in world history (An enl. ed.). New York: International Publishers.

Du Bois, W. E. B. 1868-1963. The World and Africa: An Inquiry Into the Part Which Africa Has Played in World History. An enl. ed. New York: International Publishers, 1965.

Du Bois, W. E. B. 1868-1963. The World and Africa: An Inquiry Into the Part Which Africa Has Played in World History. An enl. ed. New York: International Publishers, 1965.