- A Cloud of Witnesses: An Introductory History of the Development of Christian Doctrine to 500 AD, New Revised Edition (Cistercian Studies series)
- Wholly Animals: A Book of Beastly Tales
- Understanding Rance: The Spirituality Of The Abbot Of La Trappe In Context (Cistercian Studies Series)
- Orthodoxy: Evolving Tradition
- The Bell's Seasoning Story