| title | ISBN-13 | year of publication | |
|---|---|---|---|
| Christian Mystery | 978-0-916411-26-8 | 1984 | |
| Herald of Harmony | 978-0-916411-27-5 | 1984 | |
| L'enneagramma e il mistero cristiano. L'araldo dell'armonia e altri scritti | 978-88-99864-00-2 | 2016 | |
| Mysteries of the Seed | 978-1-55818-100-7 | 1988 | |
| Spiegel des Lichts. Aus den Notizbüchern | 978-3-88419-042-5 | 1990 | |
| The Theory of Celestial Influence | 978-0-9754079-0-5 | 2006 | |
| The Theory of Celestial Influence; Man, the Universe, And Cosmic Mystery | 978-0-14-019365-7 | 1993 | |
| The Theory of Eternal Life | 978-0-9754079-1-2 | 2006 | |
| Vom ewigen Leben: Die Erneuerung des universalen Bewusstseins | 978-3-89060-458-9 | 2001 |
Edition Plejaden, · Holmes Pub Group Llc · Mercury Publications · Neue Erde · Penguin · Psiche 2