| A Secular Age | Charles Taylor |
| When God is Gone, Everything is Holy | Chet Raymo |
| A Religion of Nature | Donald A. Crosby |
| Religious Naturalism Today | Jerome A. Stone |
| The Sacred Depths of Nature | Ursula Goodenough |
| A Secular Age | Charles Taylor |
| When God is Gone, Everything is Holy | Chet Raymo |
| A Religion of Nature | Donald A. Crosby |
| Religious Naturalism Today | Jerome A. Stone |
| The Sacred Depths of Nature | Ursula Goodenough |