1. Aquinas, T. 1256a. Contra impugnantes Dei cultum et Religionem. In Opera omnia iussu Leonis XIII P. M. edita, t. 41. Romae: Ad Sanctae Sabinae, 1970. See Proctor, John (trans.). 1902. An Apology for the Religious Orders. London: Sands & Co.
2. Aquinas, T. 1256b. Scriptum super Sententiis magistri Petri Lombardi = Commentum in quartum librum Sententiarum magistri Petri Lombardi. In Opera, t. 7/2. Parmae: Typis Petri Fiaccadori, 1858. See Molloy, Michael (trans.). 1985. Civil Authority in Medieval Philosophy: Lombard, Aquinas and Bonaventura. Lanham: University Press of America.
3. Aquinas, T. 1256–1259. Quaestiones Disputatae de Veritate. In Opera omnia iussu Leonis XIII P. M. edita, t. 22. Quaestiones disputatae de veritate. Roma: Ad Sanctae Sabinae/Editori di San Tommaso, 1975-1970-1972-1973-1976. See Robert W. Mulligan, S.J. (trans.). 1952. St. Thomas Aquinas: Truth. Chicago: Henry Regnery Company, and Maurer, Armand (trans.). 1987. St. Thomas Aquinas: Faith, Reason and Theology: Questions I-IV of His Commentary on the De Trinitate of Boethius. Toronto: Pontifical Institute of Mediaeval Studies.
4. Aquinas, T. 1256–1259, 1269–1272. Quaestiones quodlibetales, 9th ed, ed. Spiazzi. Taurino: Marietti, 1956. See Edwards, Sandra (trans.). 1983. St. Thomas Aquinas: Quodlibetal Questions 1 and 2. Toronto: Pontifical Institute of Mediaeval Studies.
5. Aquinas, T. 1259–1265. Summa contra Gentiles = Liber de Veritate Catholicae Fidei contra Errores Infidelium seu Summa contra Gentiles. In Opera Omnia Santi Thomae Aquinatis Doctoris Angelici, t. 2–3. Taurini-Romae: Marietti, 1961. See Rickaby, Joseph. (trans.). 1905. Of God and His Creatures: An Annotated Translation (with Some Abridgement) of the Summa contra Gentiles of Saint Thomas Aquinas. London: Burns and Oates.