The United States and Pancho VillaClarence C. Clendenen · First published 1961 · Latest edition 1972Open the Tome
Americans in Africa, 1865-1900Clarence C. Clendenen, Clarence Clendenen, Robert O. Collins, Peter Duignan · First published 1966Open the Tome
The United States and the African slave trade, 1619-1862Peter Duignan, Peter Duignan and Clarence Clendenen · First published 1963Open the Tome
