Belcher, Wendy Laura. 2012. Abyssinia’s Samuel Johnson: Ethiopian Thought in the Making of an English Author. Oxford University Press. Referenced from oxford.universitypressscholarship.com: Abyssinia’s Samuel Johnson: Ethiopian Thought in the Making of an English Author.

Glaude, Eddie S., Jr. 2014. African American Religion: A Very Short Introduction. 1st ed. Oxford University Press.

Weisenfeld, Judith. n.d. African American Women and Christian Activism: New York’s Black YWCA, 1905-1945. Harvard University Press. External link to reference: African American Women and Christian Activism: New York’s Black YWCA, 1905-1945.

Dlamini, Jacob. (2015) 2009. Askari: A Story of Collaboration and Betrayal in the Anti-Apartheid Struggle. Oxford University Press.