- To Know God and the Soul: Essays on the Thought of St. Augustine (Early Christian Studies)
- The Trinity, or the First Principle: De Trinitate, Seu De Primo Principio (Mediaeval Philosophical Texts in Translation)
- To Know God and the Soul
- Paradoxes of Time in Saint Augustine
- Studies in the Philosophy of William of Auvergne Bishop of Paris (1228-1249)











