Mediaeval Sources in Translation

47 publications found

Thomas Aquinas

On Kingship to the King of Cyprus

Translated by Gerald B. Phelan; revised with an introduction and notes by I.Th. Eschmann. MST 2. 1949. xl, 119 pp. ISBN 978–0–88844–251–2 • $12.95

Aquinas outlines the justification and proper practice of kingly government.

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Thomas Aquinas

On Being and Essence

Translated with an introduction and notes by Armand Maurer. Second revised edition. MST 1. 1968. 79 pp. ISBN 978–0–88844–250–5 • $11.95

Thomas’ short treatise De ente et essentia (On Being and Essence) is a classic text on the meaning and mystery of being. One of his early works, it was written before Thomas became Master of Theology at Paris in March 1256, and thus does not contain the architectonic metaphysical and theological structures of the Summa theologiae and the Summa contra Gentiles.

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Pedro Alfonso

The Scholar’s Guide

A translation by Joseph R. Jones and John E. Keller of the twelfth-century Disciplina clericalis. MST 8. 1969. 117 pp. ISBN 978–0–88844–257–4 • $9.95

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John of Paris

On Royal and Papal Power

Translated with an introduction by J.A. Watt. MST 9. 1971. 261 pp. ISBN 978–0–88844–258–1 • $15.95

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Petrarch

Book Without a Name

A translation by Norman P. Zacour of the Liber sine nomine. MST 11. 1973. 128 pp. ISBN 978–0–88844–260–4 • $12.95

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Porphyry the Phoenician

Isagoge

Translation, introduction and notes by Edward W. Warren. MST 16. 1975. 65 pp. ISBN 978–0–88844–265–9 • $10.95

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.

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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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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

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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 • $12.95

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.

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