Library

In Book I of the Commentaria in Summam contra Gentiles, Francesco Silvestri of Ferrara (Ferrariensis) expounds Aquinas's treatment of God and the divine attributes. His commentary proceeds through the arguments of the Summa contra Gentiles chapter by chapter. The present edition follows the commentary printed with the Leonine text in volume XIII (1918) and includes Latin, English, and Spanish texts.

In Book II of the Commentaria in Summam contra Gentiles, Francesco Silvestri of Ferrara (Ferrariensis) expounds Aquinas's account of creation, the distinction of creatures, and the human soul. The commentary accompanies the Leonine text in volume XIII (1918). The present digital edition includes the Latin text and an English translation.

In Book III of the Commentaria in Summam contra Gentiles, Francesco Silvestri of Ferrara (Ferrariensis) expounds Aquinas's account of providence, human happiness, moral action, and divine grace. The commentary accompanies the Leonine text in volume XIV (1926). The present digital edition includes the Latin text and an English translation.

In Book IV of the Commentaria in Summam contra Gentiles, Francesco Silvestri of Ferrara (Ferrariensis) examines Aquinas's treatment of revealed mysteries: the Trinity, the Incarnation, the sacraments, and the resurrection. The commentary accompanies the Leonine text in volume XV (1930). The present digital edition includes the Latin text and an English translation.

Apologia de convenientia institutorum Romanae Ecclesiae cum evangelica libertate adversus Lutherum, de hoc pessime sentientem is a theological-polemical treatise written in the early years of the Reformation. It defends the compatibility of the institutions, authority, discipline, and ecclesiastical order of the Roman Church with evangelical freedom, directly opposing Martin Luther’s contrary position. The work belongs to the earliest Catholic theological responses to the Lutheran Reformation.

Cajetan's Commentaria in Primam Partem Summae Theologiae offers an article-by-article exposition of Aquinas's Prima Pars. Its discussions of sacred doctrine, analogy, divine knowledge, and creation became important reference points in the later Thomist tradition. The present digital edition follows the Latin text of the Leonine edition and includes English and Spanish translations. Coverage is currently partial.

Catejan's treatise De subiecto naturalis philosophiae, according to the text found in the Opuscula Omnia Editionis Ludgunensis (1558), with minor edits by Charles De Koninck and R.P.E. Gaudron, O.F.M. (1939). The edits made by De Koninck and Gaudron have a note with the original Editio Lugdunensis text.

Cajetan's complete commentary on De ente et essentia, using the public-domain Michael de Maria 1907 edition as the production fallback witness, with an aligned English translation.

In this treatise, Cardinal Cajetan examines the foundations of the Catholic Church and the authority of the papacy, arguing against conciliarism and addressing the question of a heretical pope.

Melchor Cano's De locis theologicis, first published in 1563, examines the sources and authority of theological arguments in twelve books. It considers Scripture, tradition, ecclesial authority, reason, and history as grounds for theological inquiry. The present edition includes the Latin text and an English translation. The Latin was prepared from Juan Belda Plans's BAC reading text and checked against The School of Salamanca's CC BY 4.0 transcription and aligned page images of the 1563 edition; both sources are credited.

Pedro da Fonseca's Isagoge is a scholastic work conceived as a systematic introduction to the doctrine of universals and intended for the general use of the sciences. Fonseca presents it as richer in doctrine, more reliable with regard to truth, and better suited to teaching than Porphyry’s work of the same name. Its first part defines and explains the five predicables, while the second compares them, examining their common features and differences; chapters 7 through 11 are devoted individually to each predicable. Although he acknowledges that much of the material derives from the earlier logical tradition, Fonseca regards chapter 12 as especially original, since it addresses kinds of universals unknown to pagan philosophers and related to the nature of Christ. The work thus combines logic, metaphysics, and Christian theology, offering an orthodox and systematic reworking of Porphyry’s Isagoge while maintaining close thematic ties with the Jesuit philosophical tradition and with the later Conimbricenses Commentary.

Domingo Báñez's sworn declaration and theological reply to Francisco Suárez's paper on free choice (Salamanca, 27 October 1594), in his own original Spanish with facing Schola English translation. The manuscript is fragmentary and breaks off mid-sentence.

Domingo Báñez's unpublished disputation with the Jesuits on whether the efficacy of prevenient grace is intrinsic and of itself or from man's free choice (circa 1599-1600), with his reply to five questions and the anonymous 1599 theological qualification. Latin with facing Schola English translation.

Dominicus Báñez, O.P.'s Scholastica commentaria in primam partem Summae Theologiae is a Salamanca-school commentary on the opening part of Aquinas's Summa. The first printing appeared at Salamanca in 1584, after Báñez's teaching at the Dominican studium and University of Salamanca; later editions and editorial continuations helped make the work a major witness to late sixteenth-century Thomism. Its close exegesis of Aquinas intersects the debates over divine grace, human freedom, predestination, and physical premotion that defined the de auxiliis controversy. Schola presents the Latin text from a 1934 Urbano edition; the catalogue's 1584 year identifies the original work, not the modern reprint.

Editorial notice: José Ángel García Cuadrado's scholarly introduction and bibliography to Q. 40 are available as a separate Spanish work under his own authorship, linked to this commentary. His Spanish translation of Q. 40 is attributed to him in the text metadata. Domingo Báñez's commentary on the Secunda Secundae of the Summa Theologiae. The work begins here with Q. 40, De bello, and is incomplete. Q. 40 is presented in Latin with José Ángel García Cuadrado's Spanish translation. Both languages are attributed separately in the text source metadata.

Domingo Banez's treatise on the concord of created free choice with efficacious grace (composed 1600): the Thomist answer to Molina. Latin with facing Schola English translation.

Francisco Suárez’s Commentaria ac Disputationes in Primam Partem D. Thomae: De Deo Uno et Trino is a systematic scholastic treatment of the doctrine of God in relation to Aquinas’s Prima Pars. Its three principal divisions examine the divine substance and attributes, predestination and reprobation, and the mystery of the Trinity. Rather than simply reproducing Aquinas’s sequence of articles, Suárez recasts the material into books and disputations, allowing extended treatment of metaphysical and theological problems. The work is characteristic of his method: close engagement with Aquinas combined with an independent organization and detailed comparison of scholastic positions.

Francisco Suárez's fifty-four metaphysical disputations, the systematic metaphysics of the late scholastic tradition, first published at Salamanca in 1597. This edition gives the Latin of the prooemium and the first ten disputations — on the nature of metaphysics, the essential concept of being, the passions of being, transcendental unity, individual unity and its principle, formal and universal unity, the kinds of distinction, truth, falsity, and transcendental good — with the transcription's apparatus of variant readings from the 1597, 1600, 1605, 1614, 1751 and 1861 editions. Further disputations follow.

Robert Bellarmine’s Controversies on the Word of God (Controversiae de Verbo Dei) is a systematic defense of the Catholic doctrine of divine revelation and Sacred Scripture. Across four books, Bellarmine examines the inspiration and authority of Scripture, the canon of the Old and New Testaments, the Hebrew, Greek, Syriac, and Latin textual traditions, and the authority of the Latin Vulgate. He then addresses the interpretation of Scripture and the proper judge of doctrinal controversies, before concluding with an extensive defense of apostolic Tradition and its relationship to the written Word of God. Written in direct engagement with the theological disputes of the Reformation, the work combines biblical argument, patristic testimony, conciliar authority, and historical analysis in presenting the Catholic understanding of Scripture and Tradition.

In this five-book theological work, Robert Bellarmine presents a systematic exposition and defense of the principal Catholic doctrines concerning Christ. He examines Christ’s divinity, the Trinity, the Incarnation and hypostatic union, the soul and knowledge of Christ, His descent into hell, and His office as Mediator. Drawing extensively on Scripture, the Fathers, councils, and scholastic theology, Bellarmine also refutes Arian, Socinian, Protestant, and other Christological errors, offering a comprehensive defense of Catholic Trinitarian and Christological doctrine.

Diego Álvarez’s twelve-book treatise on divine grace and human free choice. This edition contains Book I: the prooemium and five preliminary disputations on Pelagian and Semi-Pelagian teaching, Manichaean and Reformation positions, Catholic theologians, and the authority of Augustine and Thomas Aquinas. Latin from the Rome 1610 edition, with a new English translation.

Prima pars artis Logicae (formal logic) of the Cursus Philosophicus Thomisticus of John of St. Thomas (Joannes a Sancto Thoma), from the Reiser edition (Marietti, Turin, 1930), Reiser tomus I, pars prima.

Prima pars philosophiae naturalis (de ente mobili in communi) of the Cursus Philosophicus Thomisticus of John of St. Thomas (Joannes a Sancto Thoma), from the Reiser edition (Marietti, Turin, 1930), Reiser tomus II-I, pars prima.

Secunda pars artis Logicae of the Cursus Philosophicus Thomisticus of John of St. Thomas (Joannes a Sancto Thoma), from the Reiser edition (Marietti, Turin, 1930), Reiser tomus I, pars secunda.

Secunda pars philosophiae naturalis (de ente mobili corruptibili) of the Cursus Philosophicus Thomisticus of John of St. Thomas (Joannes a Sancto Thoma), from the Reiser edition (Marietti, Turin, 1930), Reiser tomus II-II.

Controversia XI, Distinctio II: De scientia Dei respectu futurorum contingentium absoluta. Latin transcription with English translation, nine sections at block parity.

Bontempi's Palladium theologicum (Lyon 1676) is a complete scholastic theology composed ad mentem D. Bonaventurae, arranged in seven tractatus on the order of the Secunda secundae. This fifth volume, De virtutibus, treats the theological virtues (faith, hope, charity, with their gifts, beatitudes and fruits), the cardinal virtues and their opposite vices, and the states and offices of men (religious and prelates, bishops, princes), including the extensive disputations on contracts, religion, vows, fortitude, temperance and the judicial process. It is a significant example of the Bonaventurian scholastic school and a counterpart to the Thomist manuals of the period.

Cardinal Giovanni Bona’s De Sacrificio Missae is an ascetical guide to the worthy celebration of the Holy Sacrifice of the Mass. Addressed particularly to priests, it combines an account of the sacrifice, its efficacy, fruits, and application with practical instruction on priestly holiness, intention, devotion, preparation, the celebration itself, and thanksgiving afterward. Bona’s purpose is not merely ceremonial: the work seeks to form the interior dispositions by which the priest may celebrate attentively, devoutly, and reverently. The work first appeared in 1658. This transcription follows the 1810 Waterford edition and contains the author’s Praemonitio and Chapters I–VII, including the prayers and devotional exercises represented in the submitted sections; other appended matter is omitted.

Late-Scotist scholastic summa in Latin by Sebastian Dupasquier O.F.M. Conv., first printed at Chambery in 1698 and reprinted at Padua (1706; corrected second edition 1719-1720; 1743), arranged as tractatus divided into disputationes and quaestiones after the Scotist manner. It expounds and defends Catholic doctrine ad mentem Doctoris Subtilis and became one of the standard late Scotist handbooks of the early 18th century. Vol. I opens with the proemial disputation on the nature of theology.

Charles René Billuart, O.P.'s Summa summae S. Thomae sive compendium theologiae (Liège, 1754) is his six-volume abridgment of the larger Summa S. Thomae hodiernis academiarum moribus accommodata (1746–1751). It condenses Aquinas's order and teaching into a reference manual while retaining the Dominican's characteristic distinctions, scholastic proofs, and historical material. The compendium belongs to the eighteenth-century consolidation of post-Tridentine Thomist education and helped carry Billuart's influential reading of Aquinas into later schools. Schola presents the Latin text with an English translation from its public-domain source.

Charles-René Billuart, O.P.'s Summa summae S. Thomae sive compendium theologiae, Tomus II, treats human acts, passions and virtues, sin, law, and grace in the Thomistic manual tradition. Schola presents the complete Latin Tome II from the Paris Vives edition of 1884.