| Title | Date |
| De fallaciis ad quosdam nobiles artistas | 1244-1245 |
| Commentary on the Prophet Jeremiah (Expositio in Jeremiam prophetam) | 1248-52 (under Albert Magnus) |
| De propositionibus modalibus | by 1251 |
| On the Principles of Nature (De principiis naturae ad fratrem Sylvestrum) | c. 1255 |
| On Being and Essence (De ente et essentia, ad fratres socios) | 1252-1256 |
| Contra impugnantes Dei cultum et religionem | 1256 |
| Commentary on the Sentences of Peter Lombard (Scriptum super libros Sententiarum) | 1252-1256 |
| Two Sermons from MS Florence [Principium (?)] | 1256 (?) |
| Disputed Questions on Truth (Quaestiones disputatae de Veritate) | 1256-1259 |
| Commentary on the Gospel of St. Matthew (Expositio in evangelicum s. Mattaei) | 1256-1259 or 1269-1272 |
| Literal Commentary on Job (Expositio in Job ad litteram) | 1260 |
| Commentary on Boethius's Book De hebdomadibus (Expositio in librum Boethii De hebdomadibus) | c. 1260 |
| Commentary on Boethius's Book On the Trinity (Expositio super librum Boethii De Trinitate) | by 1261 |
| De articulis fidei et Ecclesiae sacramentis, ad archiepiscopum Panormitanum | c. 1261 |
| De emptione et venditione ad tempus | 1262 |
| Summa contra Gentiles (Tractatus de fide catholica, contra Gentiles [contra errores infidelium]) | 1261-1263 |
| Against the Errors of the Greeks, to Pope Urban IV (Contra errores Graecorum, ad Urbanum IV Pontificem Maximum) | 1263 |
| Sermon on the Holy Eucharist preached in Consistory before Pope Urban IV and the Cardinals | 1264 |
| Officium de festo Corporis Christi, ad mandatum Urbani Papae IV | 1264 |
| On the Reasons of the Faith against the Saracens, Greeks and Armenians, to the Cantor of Antioch (De rationibus fidei contra Saracenos, Gracos et Armenos, ad Cantorem Antiochiae) | 1261-1264 |
| The Golden Chain (Glossa (expositio) continua in Mattheum, Marcum, Lucam, Joannem [Catena aurea]) | 1263ff. |
| Responsio ad fr. Joannem Vercellensem, Generalem Magistrum Ordinis Praedicatorum, de articulis CVIII ex opere Petri de Tarentasia | by 1266 |
| Disputed Questions on the Soul (Quaestiones disputatae de Anima) | 1267 |
| On Kingship, to the King of Cyprus (De regno [De regimine principum), ad regem Cypri) | 1267 |
| Expositio in Dionysium De divinis nominibus | by 1268 |
| Expositio super primam decretalem "De fide catholica et sancta Trinitate" et super secundam "Damnamus autem" | 1259-1268 |
| Disputed Questions on the Power of God (Quaestiones disputatae de potentia Dei) | 1259-1268 |
| Commentary on Aristotle's Posterior Analytics (In libros posteriorum Analyticorum expositio) | c. 1268 |
| Commentary on Aristotle's De anima [On the Soul] (In libros De anima expositio) | c. 1268 |
| Commentary on Aristotle's On Sense and What Is Sensed (In librum De sensu et sensato expositio) | c. 1268 |
| Commentary of Aristotle's Memory and Recollection (In librum De memoria et reminiscentia expositio) | c. 1268 |
| De substantiis seperatis, seu de angelorum natura, ad fr. Reginaldum, socium suum carissimum | c. 1268 |
| De secreto | by 1269 |
| Disputed Questions on Spiritual Creatures (Quaestiones disputatae de spiritualibus creaturis) | 1266-1269 |
| De perfectione vitae spiritualis | 1269 |
| Commentary on the Book Of Causes (Super librum De causis expositio) | by 1270 |
| On the Unity of the Intellect against the Averroists (De unitate intellectus, contra Averroistas) | 1270 |
| De perfectione vitae spiritualis | 1270 |
| Contra pestiferam doctrinam retrahentium pueros a religionis ingressu | 1270 |
| Sermons from MSS Madrid and Sevilla | 1270 |
| Two sermons from MS Paris | 1270 |
| Sermon on Christ the King from MS Soissons | 1270 |
| Commentary on the Eight Books of Physics (In octo libros Physicorum expositio) | 1268-1271 |
| De regimine Judaeorum, ad Ducissam Brabantiae | 1270-1271 |
| De aeternitate mundi, contra murmurantes | 1271 |
| Responsio ad fr. Joannem Vercellensem, Generalem Magistrum Ordinis Praedicatorum, de articulis XLII | 1271 |
| De motu cordis, ad Magistrum Philippum | 1270-1271 |
| De mixtione elementorum, ad Magistrum Philippum | c. 1271 |
| Responsio ad lectorem Venetum de articulis XXXVI [two versions] | c. 1271 |
| Commentary on the Prophet Isaiah (Expositio in Isaiam prophetam) | 1256-1259 or 1269-1272 |
| Four Exordia (Prothemata) of sermons from MS Angers | 1269-1272 |
| De forma absolutionis, ad Generalem Magistrum Ordinis | 1269-1272 |
| De occultis operationibus naturae, ad quendam militem ultramontanum | 1269-1272 |
| De sortibus ad Dominum Jacobum de ... (?) | 1269-1272 |
| Quaestiones disputatae de unione Verbi incarnati | 1269-1272 |
| Disputed Questions on Evil (Quaestiones disputatae de malo) | 1269-1272 |
| Disputed Questions on the Virtues (Quaestiones disputatae de virtutibus) | 1269-1272 |
| Commentary on the Gospel of John (Expositio in evangelium Joannis) | 1269-1272 |
| Commentary on Aristotle's Meteorology (In libros Meteorologicorum expositio) | 1269-1271, 1269-1272 or 1272-1273 |
| Commentary on Aristotle's On Interpretation (In libros Peri Hermeneias expositio) | 1269-1272 |
| Commentary on the Twelve Books of Metaphysics (In duodecim libros Metaphysicorum expositio) | 1270-1272 |
| Commentary on the Ten Books of [Nicomachean] Ethics (In decem libros Ethicorum expositio) | 1271-1272 |
| Commentary on Aristotle's Politics (In libros Politicorum expositio) | 1271-1272 |
| Quaestiones de quodlibet I-XII | 1256-1259, 1269-1272 |
| Summa Theologica | 1265-1273 |
| Commentary of the Epistles of St. Paul (Expositio in s. Pauli Epistolas) | 1259-1265 and 1272-1273 (?) |
| Commentary on the Psalms of David (In Psalmos Davidis expositio) | 1272-1273 |
| Commentary on Aristotle's On the Heavens and Earth (In libros De caelo et mundo expositio) | 1272-1273 |
| Commentary on Aristotle's On Generation and Corruption (In libros De generatione et corruptione expositio) | 1272-1273 |
| Lenten Sermon-Cycle delivered at Naples (57 vernacular sermons, e.g., On the Two Laws of Charity and the Ten Commandments [De duobos praeceptis caritatis et decem legis praeceptis]; Devotissima expositio super symbolum apostolorum; Expositio devotissima orationis dominicae) | 1273 |
| Devotissima expositio super salutatione angelica | 1269-1272 or 1273 |
| Compendium of Theology (Compendium theologiae ad fratrem Reginaldum socium suum carissimum) | c. 1273 (?) |
| To Bernard, Abbot of Monte Cassino (Ad Bernardum, abbatem Cassinensem) | 1274 |