Opera Omnia Project

The Aquinas Institute is publishing the complete works of St. Thomas Aquinas. The goal is to have each work available in Latin and English in three formats: online, eBook and print.

The Latin-English bilingual edition will be 60 volumes, grouped in the following sets:

The five-year timeline for finishing the Latin-English edition follows. This timeline depends on raising the funds to get it done!

2020

VolumeSeriesWorksMonth
50Commentaries on AristotleMetaphysics IJanuary
51Commentaries on AristotleMetaphysics IIJanuary
52Commentaries on AristotleNicomachean EthicsFebruary
47 Commentaries on Aristotle PhysicsMarch
46 Commentaries on Aristotle On Interpretation
Posterior Analytics
May

2021

Volume Series Works Month
31Old Testament CommentariesJeremiah
Lamentations
Isaiah
Rigans Montes
Hic est Liber
January
30Old Testament CommentariesPsalmsFebruary
25Disputed QuestionsDe PotentiaMarch
26Disputed QuestionsDe AnimaMay
53Commentaries on AristotlePolitics
Tabula Libri Ethicorum
July
49 Commentaries on Aristotle On the Soul
On Sensing and Sensation
August
48 Commentaries on Aristotle On Heaven on Earth
On Generation and Corruption
– Meteora
October
54Other CommentariesDe Trinitate
– De Ebdomadibus
De Divinis Nominibus
– De Causis
October

2022

Volume Series Works Month
42Catena AureaMatthewMay
43 Catena AureaMarkJune
44 Catena AureaLukeJuly
45 Catena AureaJohnAugust
56OpusculaPolemical Writings
Contra impugnantes Dei cultum et religionem
De perfectione spiritualis vitae
Contra doctrinam retrahentium a religione
De unitate intellectus contra Averroistas
De aeternitate mundi
August
3Sentences CommentaryBook 2, Part 1October
4 Sentences CommentaryBook 2, Part 2 October
5 Sentences CommentaryBook 3, Part 1 October
6 Sentences CommentaryBook 3, Part 2 October

2023

Volume Series Works Month
1 Sentences CommentaryBook 1, Part 1May
2 Sentences CommentaryBook 1, Part 2May
29Disputed QuestionsQuodlibetal QuestionsJune
23 Disputed QuestionsDe Veritate IJuly
24 Disputed QuestionsDe Veritate IIAugust
27 Disputed QuestionsDe Virtutibus, De Spiritualibus CreaturisOctober
28 Disputed QuestionsDe Unione Verbi, De MaloOctober

2024

Volume Series Works Month
57OpusculaCollations
– Collationes in decem praecepta
– Collationes in orationem dominicam
– Collationes in Symbolum Apostolorum
– Collationes in salutationem angelicam


Letters
– De rationibus fidei ad Cantorem Antiochenum
Expositio super primum et secundam Decretalem ad Archdiaconum Tudertinum
– De articulis fidei et Ecclesiae sacramentis ad Archiepiscopum Panormitanum
– Expositio super Libellum de fide Trinitatis / De doctrinam patrum Graecorum (Contra errores Graecorum)
– De forma absolutionis
– Responsio ad magistrum Ioannem de Vercellis de 108 articulis
– Responsio ad lectorem Venetum de 30 articulis
– Responsio ad magistrum Ioannem de Vercellis de 43 articulis
– Responsio ad lectorem Venetum de 36 articulis
– Responsio ad lectorem Bisuntinum de 6 articulis
– De emptione et venditione ad tempus
– De secreto
– Liber de sortibus ad dominum Iacobum de Tonengo
– De iudiciis astrorum
– Epistola ad Bernardum abbatem casinensem
– Epistola ad ducissam Brabantiae
– De mixtione elementorum ad magistrum Philippum de Castro Caeli
– De motu cordis ad magistrum Philippum de Castro Caeli
– De operationibus occultis naturae ad quendam militem ultramontanum
May
58OpusculaSermons
Sermo Abjiciamus opera
– Sermo Attendite
– Sermo Beata gens
– Sermo Beati qui habitant
– Sermo Beatus vir
– Sermo Coelum et terra
– Sermo Ecce ego mitto
– Sermo Ecce rex tuus
– Sermo Emitte Spiritum
– Sermo Exiit qui seminat
– Sermo Germinet terra
– Sermo Homo quidam erat
– Sermo Homo quidam fecit
– Sermo Lauda et laetare
– Sermo Lux orta est
– Sermo Osanna filio David
– Sermo Puer Iesus
– Sermo Seraphim stabant
– Sermo Veniet desideratus

Liturgical Works
Officium de festo Corporis Christi an mandatum Urbani Papae
– Hymnus Adoro Te
June
59Historical DocumentsBiographies, ProcessesJuly
60Historical DocumentsPapal DocumentsAugust