Simon, Y. R. M., & Simon, A. O. (2009). The Ethiopian campaign and French political thought. University of Notre Dame Press.

Simon, Yves René Marie, and Anthony O. Simon. The Ethiopian Campaign and French Political Thought. Notre Dame, Ind.: University of Notre Dame Press, 2009.

Simon, Yves René Marie, and Anthony O. Simon. The Ethiopian Campaign and French Political Thought. University of Notre Dame Press, 2009.