Thomas Gilby. The Political Thought of Thomas Aquinas. Chicago: University of Chicago Press, 1958.
Books
Reality: A Synthesis of Thomistic Thought
Réginald Garrigou-Lagrange. Reality: A Synthesis of Thomistic Thought. Translated by Patrick Cummins. St. Louis: Herder, 1958.
The Christian Philosophy of Saint Thomas Aquinas
Etienne Gilson. The Christian Philosophy of St. Thomas Aquinas. London: V. Gollancz, 1957.
Thomism and Aristotelianism by Harry Jaffa
Harry V. Jaffa. Thomism and Aristotelianism: A Study of the Commentary by Thomas Aquinas on the Nicomachean Ethics. Chicago: University of Chicago Press, 1952.
St. Thomas and Nietzsche
Frederick C. Copleston. St. Thomas and Nietzsche. Oxford: Blackfriars, 1944.
Saint Thomas and the Greeks
Anton C. Pegis. Saint Thomas and the Greeks. Milwaukee: Marquette University Press, 1943.
Elementa philosophiae Aristotelico-Thomisticae.
Joseph Gredt. Elementa philosophiae Aristotelico-Thomisticae. Freiburg im Breisgau: Herder, 1937.
St. Thomas Aquinas
G. K. Chesterton. St. Thomas Aquinas. London: Hodder and Stoughton, 1933.