Medieval Nubia / P.L. Shinnie -- Christian Ethiopia / E. Haberland -- The long march of Islam in the Western Sudan / Nehemiah Levtzion -- The rise of the Akan / Adu Boahen -- The rise of the Benin kingdom / Alan Ryder -- The impact of the Atlantic slave trade on West Africa / Walter Rodney -- Dating the African past / J.R. Gray -- The impact of the Nilotes / Bethwell Ogot -- Central Africa and the Atlantic slave trade / David Birmingham -- The history of the Bemba / Andrew Roberts -- Early farmers and traders north of the Zambezi / Brian M. Fagan -- North of the Zambezi / E.A. Alpers -- The rise of the Zulu kingdom / Shula Marks -- The Middle age of African History / Roland Oliver.