- The Foundations of Bioethics
- Bioethics and Secular Humanism: The Search for a Common Morality
- Hegel Reconsidered: Beyond Metaphysics and the Authoritarian State (Philosophical Studies in Contemporary Culture)
- Knowledge Value and Belief (The Foundations of ethics and its relationship to science)
- Allocating Scarce Medical Resources: Roman Catholic Perspectives (Clinical Medical Ethics)







