On African History
1970. . A History of the Upper Guinea Coast 1545–1800 . , Oxford : : Clarendon Press. .
1974. . How Europe Underdeveloped Africa . , Washington , DC : : Bogle‐L'Ouverture Publications and Tanzanian Publishing House, 1972; Howard University Press. .
1967. . West Africa and the Atlantic Slave Trade . , Nairobi : : East African Publishing House. .
Ranger O.. , ed. 1968. . “‘European Activity and African Reaction in Angola’. ”. In Aspects of Central African History . , London : : Heinemann. .
Gray Richard. , ed. “‘The Guinea Coast’. ”. In The Cambridge History of Africa 1600–1790 . Vol. Vol.4. ,
Schemer Seth and Edlestein Tilden. , eds. 1971. . “‘African Slavery in the Context of the Atlantic Slave Trade’. ”. In The Black Americans, Interpretive Readings . , New York : : Holt, Rinehart and Winston. .
1969. . “‘Gold and Slaves on the Gold Coast’. ”. In Transactions of the Ghana Historical Society . Vol. Vol.X. ,
1969. . ‘Upper Guinea and the Significance of the Origins of Africans Enslaved in the New World’. . Journal of Negro History . , Vol. 4:
1973. . “‘Recruitment of Askari in Colonial Tanganyika’. ”. In East African University Social Science Conference Papers .
Klein Martin and Johnson G. Wesley. , eds. 1972. . “‘African Slavery and Other Forms of Social Oppression on the Upper Guinea Coast in the Context of the Atlantic Slave Trade’. ”. In Perspectives of the African Past . , Boston : : Little Brown & Co.. .
1966. . Journal of African History . , Vol. VII((3))
1965. . ‘Portuguese Attempts At Monopoly On the Upper Guinea Coast, 1580–1850. . Journal of African History . , Vol. VI((3))
1967. . ‘A Reconsideration of the Mane Invasion of Sierra Leone’. . Journal of African History . , Vol. VIII((2))
1967. . “‘West Africa and the Atlantic Slave Trade’. ”. In Historical Association of Tanzania .
1968. . ‘Jihad and Social revolution in Futa Djalon in the Eighteenth Century’. . The Journal of the Historical Society of Nigeria . , Vol. 4((2)) June;
1971. . ‘The Year 1985 in Southern Mozambique African Resistance to th Imposition of European Colonial Rule’. . The Journal of the Historical Society of Nigeria . , Vol. V((4)) June;
Bohaan A.. , ed. “‘Africa Under Foreign Domination, 1880–1935 —the Colonial Economy. ”. In a General History of Africa .