Aristotle. Metaphysics. Translated by W. D. Ross
———. Posterior Analytics. Translated by G. R. G. Mure.
The Bible. English Standard Version.
Code, Alan. 1999. "Aristotle's Logic and Metaphysics." In Routledge History of Philosophy Volume II: From Aristotle to Augustine, edited by David Furley, 40-75. London: Routledge.
Guila, Dragos Andrei. 2009. "Apprehending 'Demonstration' from the First Principle: Clement of Alexandria's Phenomenology of Faith." The Journal of Religion 89 (2): 187-213.
Law, David R. 2001. Inspiration. London: Continuum.
Lilla, Salvatore R. C. 2005. Clement of Alexandria: A Study in Christian Platonism and Gnosticism. Eugene: Wips and Stock Publishers.
Metzger, Bruce M. 1987. The Canon of the New Testament: Its Origin, Development, and Significance. Oxford: Clarendon Press.
Osborn, Eric. 2005. Clement of Alexandria. New York: Cambridge University Press.
Room, Adrian. 1990. Who's Who in Classical Mythology. New York: Gramercy Books.
Spanneut, M. 2003. "Clement of Alexandria." In New Catholic Encyclopedia, 797-99. New York: Thomson-Gale.