| Titel | ISBN-13 (ISBN-10) | Erscheinungsjahr |
|---|---|---|
| The Isis Myseries: A mystery play in ten acts | 978-3-8391-9030-2 (3-8391-9030-4) | 2010 |
| Thoughts on the basic principles of a future spirituality: Why do we need a new religion? | 978-3-8423-4762-5 (3-8423-4762-6) | 2011 |