| title | ISBN-13 | year of publication |
|---|---|---|
| Becoming The Archangel: Michael's Companions: Rudolf Steiner's Challenge To The Younger Generation | 978-0-88010-609-2 | 2007 |
| Gates of Knowledge | 978-1-56459-765-6 | 1997 |
| Knowledge of the Higher Worlds and Its Attainment | 978-0-559-07148-5 | 2009 |
| Knowledge of the Higher Worlds and Its Attainment | 978-0-559-07153-9 | 2009 |
| The Michael Mystery | 978-0-916786-78-6 | 1984 |
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