The psyche as sacrament : a comparative study of C. G. Jung and Paul Tillich
The question of God : C. S. Lewis and Sigmund Freud debate God, love, sex, and the meaning of life
After God : the future of religion
Why Gods persist : a scientific approach to religion
The art of listening : kritik atas psikoanalisis Sigmund Freud
From science to God : the mystery of consciousness and the meaning of light
Truth in religion : the plurality of religions and the unity of truth
Rocks of ages : science and religion in the fullness of life
Psychology and religion
Religion in sociological perspective