| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| The whirling dervishes: Being an account of the Sufi order, known as the Mevlevis, and its founder, the poet and mystic, Mevlana Jalaluddin Rumi | 978-0-02-541540-9 (0-02-541540-9) | 1975 |
| Wisdom stories for the planet Earth | 978-0-06-068511-9 (0-06-068511-5) | 1973 |
| Year one catalog;: A spiritual directory for the new age | 978-0-06-063018-8 (0-06-063018-3) | 1972 |