General Philosophy:
Adler, Mortimer J. Ten Philosophical Mistakes. NY: Collier, 1987.
Chervin, Ronda and Eugene Kevane. Love of Wisdom: An Introduction to Christian Philosophy. San Francisco: Ignatius, 1988.
Edwards, Paul, ed. The Encyclopedia of Philosophy, Vols. 1-8. NY: Macmillan, 1972.#
Maluf, Francis. Philosophia Perennis, Volume 1: An Introduction to Philosophy as Wisdom. Richmond: Saint Benedict Center, 1995.
Maritain, Jacques. An Introduction to Philosophy. Westminster: Christian Classics, 1989.
Pieper, Josef. In Defense of Philosophy: Classical Wisdom Stands Up to Modern Challenges. San Francisco: Ignatius, 1992.
de Torre, Joseph M. Christian Philosophy. Philippines: Vera-Reyes, 1989.
Young, John. Reasoning Things Out. Fort Worth: Stella Maris, 1982.
History of Philosophy:
Clark, Gordon H. Trinity Paper No. 49: Ancient Philosophy. Hobbs: The Trinity Foundation, 1997.*
Copleston, Frederick. A History of Philosophy, Vols. I-IX. Garden City: Image, 1962-1977.
_____. Harper Torchbooks, The Cathedral Library: Medieval Philosophy. NY: Harper & Row, 1961.
Glenn, Paul J. The History of Philosophy: A Text Book for Undergraduates. St. Louis: B. Herder, 1947.
Maurer, Armand A. The Etienne Gilson Series 4: Medieval Philosophy. Toronto: Pontifical Institute of Mediaeval Studies, 1982.