- The Metaphysical Thought of Thomas Aquinas: From Finite Being to Uncreated Being (Monographs of the Society for Medieval and Renaissance Philosophy, 1)
- Medieval Reactions to the Encounter Between Faith and Reason (Aquinas Lecture)
- Boethius of Dacia: On the Supreme Good, on the Eternity of the World, on Dreams (Mediaeval Sources in Translation 30)
- Studies in Medieval Philosophy (Studies in Philosophy and the History of Philosophy)
- Metaphysical Themes in Thomas Aquinas II (Studies in Philosophy and the History of Philosophy)








