Treatise on Law

Abelard: Ethical Writings

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)

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

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

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

Medieval Philosophy: A Very Short Introduction

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

Commentary on Aristotle's Politics

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

Catena Aurea

Philovesophy

On Evil

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

Maimonides: Life and Thought

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

Simon of Genoa's Medical Lexicon

Aristotle's De Anima: in the version of William of Moerbeke and the Commentary of St. Thomas Aquinas

Monologion and Proslogion: with the replies of Gaunilo and Anselm