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Summa Theologica (All Complete & Unabridged 3 Parts + Supplement & Appendix + interactive links and annotations)Thomas Aquinas
Ninety-nine Homilies of St. Thomas Aquinas upon the Epistles and Gospels (Unabridged): optionalThomas Aquinas
Summa Theologica - 11 Pars Secunda Secundae, Treatise on the Cardinal Virtues (Unabridged): optionalThomas Aquinas4