• A. Maurer (trans.), St Thomas Aquinas: Faith, Reason and Theology. Questions I-IV of his Commentary on the De Trinitate of Boethius (Toronto: 1987).

• R. McInerny, Thomas Aquinas: Selected Writings (London: 1998).

• B. Davies (ed.), The Oxford Handbook of Aquinas (Oxford: 2012).

• J. Jenkins, Knowledge and Faith in Thomas Aquinas (Cambridge: 1997).

• A. Kenny, The Five Ways (London: 1969).

• F. Kerr, “Ways of Reading the Five Ways,” in F. Kerr, After Aquinas: Versions of Thomism (Malden: 2002), 52-72.

• N. Kretzmann, The Metaphysics of Theism: Aquinas' Natural Theology in Summa Contra Gentiles, 2 vols (Oxford: 1997 and 1999).

• J. Owens, St Thomas Aquinas on the Existence of God (Albany: 1980).

• F. van Steenberghen, Le Problème de l’existence de Dieu dans les écrits de S. Thomas d’Aquin (Louvain-la-Neuve: 1980).