Americans in black Africa up to 1865 /
by Clarence C. Clendenen and Peter Duignan.
- Stanford, CA : Hoover Institution on War, Revolution, and Peace, Stanford University, 1964.
- Hoover Institution studies ; 5 .
United States -- Commerce -- Africa, Sub-Saharan.--United States -- Commerce -- Africa, Sub-Saharan.--United States -- Commerce -- Africa, Sub-Saharan. Africa, Sub-Saharan -- Commerce -- United States.--Africa, Sub-Saharan -- Commerce -- United States.--Africa, Sub-Saharan -- Commerce -- United States.