1ST, Ⅱ - Ⅱ , Q. 26. a. 2. St. Thomas Aquinas, Summa Theologica, 5 Volumes, translated by the Fathers of the English Dominican Province, New York, Benziger Brothers, 1948.
2ST, Ⅱ - Ⅱ , Q. 26. a. 8. St. Thomas Aquinas, Summa Theologica, 5 Volumes, translated by the Fathers of the English Dominican Province, New York, Benziger Brothers, 1948.
