1. The Kingdom and the Glory
2. Opus Dei
3. American Anthropological Association. “AAA Statement on Race.” May 1998. https://www.americananthro.org/ConnectWithAAA/Content.aspx?ItemNumber=2583.
4. Aquinas Thomas. “New English Translation of Thomas Aquinas’ Summa Theologica.” Translated by Alfred J Freddoso. https://www3.nd.edu/~afreddos/summa-translation/Part%202-2/st2-2-ques58.pdf. Accessed July 11 2023.
5. Baptist, Edward E. The Half Has Never Been Told: Slavery and the Making of American Capitalism. New York: Basic Books, 2013.