| year of publication | ISBN | author(s) | title |
|---|---|---|---|
| 1993 | 978-0-9638181-0-2 | Theodore J. Nottingham | Written in Our Hearts: The Practice of Spiritual Transformation |
| 1994 | 978-0-9638181-1-9 | Alphonse Goettmann · Rachel Goettmann | Spiritual Wisdom and Practice of Early Christianity |
| 1996 | 978-0-9638181-2-6 | Alphonse Goettmann · Rachel Goettmann · Rebecca Nottingham | Prayer of Jesus - Prayer of the Heart |