Mediaeval Sources in Translation

51 publications found

Raymond of Penyafort

Summa on Marriage

Translated by Pierre Payer. MST 41; St Michael's College Mediaeval Translations. 2005. viii, 98 pp. ISBN 978–0–88844–291–8 • $21.95 


Translated by
R.E. Houser

The Cardinal Virtues: Aquinas, Albert, and Philip the Chancellor

MST 39; Studies in Mediaeval Moral Teaching 4. 2004. x, 256 pp. ISBN 978–0–88844–289–5 • $29.95

The four cardinal virtues, first identified by Plato, are discussed through these translations of the works of three major medieval thinkers. The extensive introduction traces the development of the concept through to the thirteenth century.


Gregory the Great

The Letters of Gregory the Great

Translated, with Introduction and Notes, by John R.C. Martyn. MST 40. 2004. 3 volumes: xxxiv, 962 pp. ISBN 978-0-88844-290-1 • $110.00 for the set 


Thomas Aquinas

Aquinas on Creation. Writings on the Sentences 2.1.1

Translated by Steven E. Baldner and William E. Carroll.

MST 35. 1997. x, 166 pp. ISBN 978–0–88844–285–7 • $27.50

These six articles of Aquinas’ Writings on the Sentences represent his most succinct account of creation, and contain his essential doctrines on the subject.


Thomas Aquinas

Faith, Reason and Theology

Translated with introduction and notes by Armand Maurer. MST 32. 1987. xxxviii, 127 pp. ISBN 978–0–88844–282–6 • $13.95 

The topics of Questions i–iv of St. Thomas Aquinas’ Commentary on the De Trinitate of Boethius are of vital interest to the Christian philosopher and theologian. Written while Aquinas was a youthful Master of Theology, the Questions show his solidarity with Christian tradition, his wide acquaintance with Scripture and the Fathers of the Church, and his creative use of philosophy in addressing theological issues.


Thomas Aquinas

The Division and Methods of the Sciences

Translated with introduction and notes by Armand Maurer. Fourth revised edition. MST 3. 1986. xlii, 119 pp. ISBN 978–0–88844–279–6 • $13.50

Questions v and vi of St. Thomas Aquinas’ Commentary on the De Trinitate of Boethius contain St. Thomas’ most comprehensive treatment of the classification of the theoretical sciences and description of their methods. They examine the meaning of knowledge and science, the distinction between practical and theoretical science, and the modes of procedure of the three main theoretical sciences: physics, mathematics and metaphysics. They also clarify the nature of an “intermediate science” (scientia media) partaking of both physics and mathematics.


Alan of Lille

The Plaint of Nature

Translation and commentary by James J. Sheridan. MST 26. 1980. viii, 256 pp. ISBN 978–0–88844–275–8 • $17.95


Porphyry the Phoenician


Translation, introduction and notes by Edward W. Warren. MST 16. 1975. 65 pp. ISBN 978–0–88844–265–9 • $11.50

Porphyry’s Isagoge, or Introduction to the Categories of Aristotle, has exercised an amazing influence on the course of Western philosophy. A brief, modest work, designed to help a Roman senator grapple with Aristotle’s difficult concepts, the Isagoge became the first text that any aspiring philosopher confronted in his formal education; logic was the foundation of philosophical training and the Isagoge was the introduction to logic.


Translated by
John Wright

The Life of Cola Di Rienzo

MST 18. 1975. 166 pp. ISBN 978–0–88844–267–3 • $14.95

The Life of Cola di Rienzo is an anonymous eye-witness biography of Cola di Rienzo, a romantic visionary who led a popular revolution against the rapacious and tyrannical barons of medieval Rome. It vividly describes Cola’s brief, tragi-comic reign as “Tribune” of a “restored Roman republic” in 1347, his subsequent pilgrimage to the imperial court at Prague and the papal court at Avignon, his return to Rome as Papal Senator in 1354, and his gruesome death at the hands of a Roman mob two months after his restoration.

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