Ulrich Bonnell Phillips, American Negro Slavery: A Survey of the Supply, Employment and Control of Negro Labor as Determined by the Plantation Régime (New York: D. Appleton and Company, 1918), pp. 341–342, OCLC1720022.
The few exceptions include Charles S. Sydnor, Slavery in Mississippi (New York: D. Appleton-Century Co., 1933), OCLC1968805; and E. Franklin Frazier, The Negro Slave Family (Indianapolis: Bobbs-Merrill, 1930), OCLC11396137.
