| title | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|
| Nicholas And Helena Roerich: The Spiritual Journey of Two Great Artists And Peacemakers | 978-0-8356-0843-5 | 2005 | Ruth A. Drayer |
| Numerology: The Power in Numbers | 978-0-7570-0098-0 | 2003 | |
| Numerology: The Power In Numbers, A Right & Left Brain Approach | 978-0-9640321-3-2 | 2001 | |
| Numerology, the Power in Numbers: A Right and Left Brain Approach | 978-0-9640321-0-1 | 1994 | |
R.D. · Rod Dreher · Ruth A Drayer · Ruth Abrams Drayer · Ruth Durrer
Jewel of Light · Quest Books · Square One