Inequality and Underdevelopment in Africa: A Suggested Approachby Sara S. Berry;External Intervention in African Conflicts: France and French-Speaking West Africa in the Nigerian Civil War, 1967-1970by G. Aforka Nweke;National and International Events and Ethnic Conflict: Lenje/Black Rhodesian Relations in Zambiaby Richard S. Canter;Head Tax, Social Structure, and Rural Incomes in Cameroun, 1922-1937by Jane I. Guyer