Hill, R. A., & Keller, E. J. (2010). Trustee for the human community: Ralph J. Bunche, the United Nations, and the decolonization of Africa. Ohio University Press.

Hill, Robert A., and Edmond J. Keller. Trustee for the Human Community: Ralph J. Bunche, the United Nations, and the Decolonization of Africa. Athens: Ohio University Press, 2010.

Hill, Robert A., and Edmond J. Keller. Trustee for the Human Community: Ralph J. Bunche, the United Nations, and the Decolonization of Africa. Ohio University Press, 2010.