1. Albertus Magnus. De anima. Edited by Clemens Stroick. Münster: Aschendorff, 1968.
2. Ambrose. “Death as a Good.” In Seven Exegetical Works, translated by Michael P. McHugh, 69–113. Washington, DC: The Catholic University of America Press, 2003.
3. Aquinas, Thomas. Quaestiones disputatae de anima. Edited by Bernardo C. Bazàn. Rome: Typographia Polyglotta, 1996.
4. Aquinas, Thomas. Questions on the Soul. Translated by James H. Robb. Milwaukee, WI: Marquette University Press, 1984.
5. Aristotle. De anima: Books II and III with Passages from Book I. Translated by D. W. Hamlyn and Christopher John Shields. Oxford: Clarendon Press, 1993.