Comparative Religion

Mary in Different Traditions

Ignatian Spirituality and Interreligious Dialogue

The Rites of Passage

Something There Is

The Flatland Dialogues

Pocket Guide to World Religions

Uncompromised

Between Heaven and Hell

The Universe Next Door

Talking Doctrine

Between One Faith and Another

Religions on Trial

Religion in the Heavens; Or, Mythology Unveiled in a Series of Lectures

Bahaism and Its Claims

Myths of China and Japan with illustrations in colour & monochrome after paintings and photographs

American Hero-Myths: A Study in the Native Religions of the Western Continent

Ancient Faiths And Modern

Preaching and Paganism

The Origin of Christian Science

Modern Substitutes for Christianity