Century of Genocide: Critical Essays and Eyewitness Accounts edited by Samuel Totten, William S. Parsons, and Israel W. Charny. New York: Routledge, 2004.

Encyclopedia of Crimes Against Humanity and Genocide edited by Dinah Shelton. New York: Macmillan, 2005.

Encyclopedia of the Holocaust edited by Israel Gutman. New York: Macmillan, 1995.

Genocide in Sudan: Investigating Atrocities in the Sudan edited by Samuel Totten and Eric Markusen. New York: Routledge, 2006.