Global dimensions of the African diaspora / edited, Joseph E. Harris
Howard University Press, 1993
 Buku Teks SO
Agriculture, women, and land: the African experience / edited by Jean Davison
Westview Press , 1988
 Buku Teks SO
Governing arms : the Southern African experience
edited by Virginia Gamba-Stonehouse
Institute for Security Studies, 2000
 Buku Teks
The Nigerian political scene [by] Archibald Callaway [and others] Edited by Robert O. Tilman and Taylor Cole
Duke University Commonwealth-Studies Center by Duke University Press, 1962
 Buku Teks SO
Environmental resource guide / edited by Joseph A. Demkin
John Wiley & Sons, 1996
 Buku Referensi