| year of publication | ISBN | author(s) | title |
|---|---|---|---|
| 1998 | 978-1-893383-00-5 | Joyce Rockwood Hudson | Natural Spirituality, Recovering the Wisdom Tradition in Christianity |
| 2001 | 978-1-893383-55-5 | Joyce Hudson | Natural Spirituality: Recovering the Wisdom Tradition in Christianity |