| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Nicholas and Helena Roerich: The Spiritual Journey of Two Great Artists and Peacemakers | 978-0-8356-0843-5 (0-8356-0843-3) | 2005 |
| Numerology: The Power of Numbers | 978-0-7570-0098-0 (0-7570-0098-3) | 2002 |
A D · R. A. · R.D. · Ruth Abrams Drayer · Ruth Drayer