Thomas Aquinas

Summa Theologica

The Greatest Classics of Theology

On the Unity of the Intellect

On Being and Essence

Nature and Grace: Selections from the Summa Theologica

The Greatest Classics of Christian Philosophy

Summa Theologica : Volume 2, Part 1 of 2 (Prima Secundae)

Summa Theologica : Volume 1, Part 1 (Prima Pars)

The Aquinas Catechism: A Simple Explanation of the Catholic Faith by the Church's Greatest Theologian (Unabridged)

Catena Aurea, St. John, - Vol 4 Part 2 (Unabridged)

Summa Theologica - 12 Pars Secunda Secundae, Treatise on Gratuitous Graces and the States of Life (Unabridged)

Summa Theologica - 10 Pars Secunda Secundae, Treatise on the Theological Virtues (Unabridged)