Aquinas: Basic Works

Abelard: Ethical Writings

Treatise on Law

John Duns Scotus: Renewal of Philosophy : Acts of the Third Symposium Organized by the Dutch Society for Medieval Philosophy Medium Aevum (May 23 & 24 1996)

Aristotle's Children: How Christians, Muslims, and Jews Rediscovered Ancient Wisdom and Illuminated the Middle Ages

Summa Theologica (All Complete & Unabridged 3 Parts + Supplement & Appendix + interactive links and annotations)

Medieval Philosophy: A Very Short Introduction

Questions on Love and Charity: Summa Theologiae, Secunda Secundae, Questions 23–46

Philosophy in the Middle Ages: The Christian, Islamic, and Jewish Traditions, Edition 3

On Evil

Philovesophy

SUMMA THEOLOGICA: Including supplement, appendix, interactive links and annotations

The Treatise on the Divine Nature: Summa Theologiae I 1-13

Maimonides: Life and Thought

The Treatise on Human Nature: Summa Theologiae 1a 75-89

Dream of Reason: A History of Western Philosophy from the Greeks to the Renaissance (New Edition)

The 'Summa Theologica' of St. Thomas Aquinas: Part 1, Questions L-LXXIV

Simon of Genoa's Medical Lexicon

Sermon-Conferences of St. Thomas Aquinas on the Apostles' Creed