"Philosophy, Religion, and the Coming World Civilization"

If I Should Die (Boston University Studies in Philosophy and Religion)

Selves, People, and Persons

In Pursuit of Happiness (Boston University Studies in Philosophy and Religion, Vol. 16)

Philosophy, religion, and contemporary life

Meaning, Truth and God (Boston University Studies in Philosophy and Religion, Vol 3)

Human Rights and the World's Religions (Boston University Studies in Philosophy and Religion, Vol 9)

Celebrating Peace (Boston University Studies in Philosophy and Religion)

Knowing religiously

Meaning, Truth, and God (Boston University Studies in Philosophy and Religion)

Foundations of ethics