Scriptum in IV Libros Sententiarum [Writings on the Four Books of the Sentences] 1252-57

De Ente et Essentia [On Being and Essence] 1253

De Principiis Naturae [On the Principles of Nature] 1253

Quaestiones Disputatae de Veritate [Disputed Questions on Truth] 1256-59

Quaestiones Quodlibetales [Quodlibetal Questions] 1256-72

In Librum Dionysii de Divinis Nominibus [Exposition of (Pseudo-) Dionysius's The Divine Names] 1258-65

Summa de Veritate Catholicae Fidei contra Gentiles [Summary of the Truth of the Catholic Faith against the Gentiles] 1259-64

Compendium Theologiae [Compendium of Theolȯgy] 1265-69

In VIII Libros Physicorum [Commentary on Aristotle's Physics in Eight Books] 1265-73

In X Libros Ethicorum [Commentary on Aristotle's Nicomachean Ethics in Ten Books] 1265-73

In XII Libros Metaphysicorwn [Commentary on Aristotle's Metaphysics in Twelve Books] 1265-73

In Libros De Anima [Commentary on Aristotle's On the Soul] 1265-73

In Libros De Caelo et Mundo [Commentary on Aristotle's On the Heaven and Earth] 1265-73

In Libros De Generatione et Corruptione [Commentary on Aristotle's On Generation and Corruption] 1265-73

In Libros De Memoria et Reminiscentia, et De Sensu et Sensato [Commentaries on Aristotle's On Memory and Reminiscence and On Perception] 1265-73

In Libros Meteorologicorwn [Commentary on Aristotle's Meteorology] 1265-73

In Libros Peri Hermeneias [Commentary on Aristotle's On Interpretation] 1265-73

In Libros Politicorum [Commentary on Aristotle's Politics] 1265-73

In Libros Posteriorum Analyticorum [Commentary on Aristotle's Posterior Analytics] 1265-73

Summa Theologiae [Summary of Theology] 1265-73

Quaestiones Disputatae de Potentia Dei [Disputed Questions on the Power of God] 1265

Quaestiones Disputatae de Malo [Disputed Questions on Evil] 1267

Quaestio Disputatae de Anima [Disputed Question on the Soul] 1269

De Aeternitate Mundi [On the Eternity of the World] 1271

De Perfectione Spiritualis Vitae [On the Perfection of the Spiritual Life] 1271

De Substantiis Separatis [On Separate Substances] 1271

In Librum De Causis [Exposition of the Book of Causes] 1271

Opera Omnia. 52 vols. 1882-

^* All of Aquinas's works are theological/philosophical in nature. Dates indicated reflect approximate year of composition.