Other authors: Abubakar Tafawa Balewa (Contributor), H. O. Davies (Contributor), W. E. B. Du Bois (Contributor), James Duffy (Contributor), Patrick Duncan Jr. (Contributor) — 19 more, Patrick Duncan Sr. (Contributor), Paul-Marc Henry (Contributor), Melville J. Herskovits (Contributor), Felix Houphouet-Boigny (Contributor), Elspeth Huxley (Contributor), Walter Z. Laqueur (Contributor), Evans Lewin (Contributor), Frederick D. Lugard (Contributor), Tom J. Mboya (Contributor), Sarah Gertrude Millin (Contributor), Kwame Nkrumah (Contributor), Sylvanus E. Olympio (Contributor), J. W. Patten (Contributor), Margery Perham (Contributor), Pierre Ryckmans (Contributor), Leopold Sedar Senghor (Contributor), N. M. Shamuyarira (Contributor), Sekou Toure (Contributor), Derwent Whittlesey (Contributor)