The works of Thomas Aquinas are tremendous both in number and in philosophical and theological depth. Few philosophers or theologians have written so much of high quality in the amount of time used by St. Thomas: a little less than three decades.

Summary of works

Three theological syntheses, or Summa Summa Summa and its diminutive summula are mainly used, in English and other modern languages, for texts that 'sum up' knowledge in a field, such as the compendiums of theology, philosophy and canon law which were used both as textbooks in the schools and as books of reference during the Middle... s	Nine treatises in the form of academic disputations	Twelve quodlibetal disputations
Nine exegeses of Scriptural books	A collection of glosses from the Church Fathers Church Fathers The Church Fathers, Early Church Fathers, Christian Fathers, or Fathers of the Church were early and influential theologians, eminent Christian teachers and great bishops. Their scholarly works were used as a precedent for centuries to come...  on the Gospels	Eleven expositions of Aristotelian Aristotle Aristotle was a Greek philosopher and polymath, a student of Plato and teacher of Alexander the Great. His writings cover many subjects, including physics, metaphysics, poetry, theater, music, logic, rhetoric, linguistics, politics, government, ethics, biology, and zoology...  works
Two expositions of works by Boethius	Two expositions of works by Proclus Proclus Proclus Lycaeus , called "The Successor" or "Diadochos" , was a Greek Neoplatonist philosopher, one of the last major Classical philosophers . He set forth one of the most elaborate and fully developed systems of Neoplatonism...	Five polemical works
Five expert opinions, or "responsa"	Fifteen letters on theological, philosophical, or political subjects	A liturgical text
Two famous prayers	Approximately 85 sermons	Eight philosophical treatises

Exegetical, homiletical, and liturgical writings

• Commentaries on Job
  Book of Job
  The Book of Job , commonly referred to simply as Job, is one of the books of the Hebrew Bible. It relates the story of Job, his trials at the hands of Satan, his discussions with friends on the origins and nature of his suffering, his challenge to God, and finally a response from God. The book is a...
  
   (1261-65), Psalms
  Psalms
  The Book of Psalms , commonly referred to simply as Psalms, is a book of the Hebrew Bible and the Christian Bible...
  
   i - li, and Isaiah
  Book of Isaiah
  The Book of Isaiah is the first of the Latter Prophets in the Hebrew Bible, preceding the books of Ezekiel, Jeremiah and the Book of the Twelve...
  
  
• Catena aurea ("The Golden Chain," a fourteenth-century title), a monumental collection of glosses by the Church Fathers
  Church Fathers
  The Church Fathers, Early Church Fathers, Christian Fathers, or Fathers of the Church were early and influential theologians, eminent Christian teachers and great bishops. Their scholarly works were used as a precedent for centuries to come...
  
   on each verse of the Gospels
• Commentaries on Canticles
  Song of Solomon
  The Song of Songs of Solomon, commonly referred to as Song of Songs or Song of Solomon, is a book of the Hebrew Bible—one of the megillot —found in the last section of the Tanakh, known as the Ketuvim...
  
   and Jeremiah
  Book of Jeremiah
  The Book of Jeremiah is the second of the Latter Prophets in the Hebrew Bible, following the book of Isaiah and preceding Ezekiel and the Book of the Twelve....
  
  
• reportata, on John
  Gospel of John
  The Gospel According to John , commonly referred to as the Gospel of John or simply John, and often referred to in New Testament scholarship as the Fourth Gospel, is an account of the public ministry of Jesus...
  
  , on Matthew
  Gospel of Matthew
  The Gospel According to Matthew is one of the four canonical gospels, one of the three synoptic gospels, and the first book of the New Testament. It tells of the life, ministry, death, and resurrection of Jesus of Nazareth...
  
  , and on the epistles of Paul, including Hebrews
  Epistle to the Hebrews
  The Epistle to the Hebrews is one of the books in the New Testament. Its author is not known.The primary purpose of the Letter to the Hebrews is to exhort Christians to persevere in the face of persecution. The central thought of the entire Epistle is the doctrine of the Person of Christ and his...
  
   i - x.
• Officium de corpore Christi

Works in chronological order

Title	Date
De fallaciis ad quosdam nobiles artistas	1244-1245
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
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 Summa contra Gentiles The Summa contra Gentiles by St. Thomas Aquinas has traditionally been dated to 1264, though more recent scholarship places it towards the end of Thomas’ life, 1270-73 . The work has occasioned much debate as to its purpose, its intended audience and its relationship to his other works...  (Tractatus de fide catholica, contra Gentiles [contra errores infidelium])	1261-1263
Against the Errors of the Greeks, to Pope Urban IV (Contra errores Graecorum Contra Errores Graecorum Contra errores Graecorum, ad Urbanum IV Pontificem Maximum is a short treatise written in 1263 by Roman Catholic theologian Saint Thomas Aquinas as a contribution to Pope Urban's efforts at reunion with the Eastern Church. Its 72 chapters are each of the length of a paragraph in a modern book... , 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 the Prophet Jeremiah (Expositio in Jeremiam prophetam)	1267-1268
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 On Interpretation Aristotle's De Interpretatione or On Interpretation is one of the earliest surviving philosophical works in the Western tradition to deal with the relationship between language and logic in a comprehensive, explicit, and formal way.The work begins by analyzing simple categoric...  (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 Politics (Aristotle) Aristotle's Politics is a work of political philosophy. The end of the Nicomachean Ethics declared that the inquiry into ethics necessarily follows into politics, and the two works are frequently considered to be parts of a larger treatise, or perhaps connected lectures, dealing with the...  (In libros Politicorum expositio)	1271-1272
Quaestiones de quodlibet I-XII	1256-1259, 1269-1272
Summa Theologica Summa Theologica The Summa Theologiæ is the best-known work of Thomas Aquinas , and although unfinished, "one of the classics of the history of philosophy and one of the most influential works of Western literature." It is intended as a manual for beginners in theology and a compendium of all of the main...	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 On Generation and Corruption On Generation and Corruption , , also known as On Coming to Be and Passing Away) is a treatise by Aristotle. Like many of his texts, it is both scientific and philosophic...  (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

Works of uncertain date

De iudiciis astrorum, ad quendam militem ultramontanum

De modo studendi

Commentary on the Song of Songs (Expositio in Canticum Canticorum)

Commentary on the Lamentations of Jeremiah (Expositio in Threnos Jeremiae prophetae)

Hymn: "Adoro te"

Hymn: "Concede mihi misericors Deus"

Quaestio disputata utrum anima coniuncta cognoscat seipsam per essentiam

Disputed Questions on the Immortality of the Soul (Quaestiones disputatae de immortalitate animae)

Responsio ad lectorem Bisuntinum de articulis VI

Three sermons from MS Paris

Three sermons from MS Venice

Works of uncertain authenticity

De demonstratione

De instantibus

De natura accidentium

De natura generis

De natura materiae et dimensionibus interminalis

De quatuor oppositis

De natura verbi intellectus

De principio individuationis

Sermon: Beata Virgo nec originale nec mortale nec veniale peccatum incurrit, 1269-1272 or 1273

Editions

The best modern edition of the works of Aquinas is that prepared at the expense of Leo XIII. (Rome, 1882-1903). The Abbé Migne published a very useful edition of the Summa Theologiae, in four 8vo vols., as an appendix to his Patrologiae Cursus Completus; English editions, Joseph Rickaby

Joseph Rickaby

-Life:He was born in 1845 in Everingham, York. He received his education at Stonyhurst College, and was ordained in 1877, one of the so-called Stonyhurst Philosophers, a significant group for neo-scholasticism in England...

(London, 1872), J. M. Ashley (London, 1888).

External links

Complete works of St. Thomas Aquinas Corpus Thomisticum, his complete works in Latin