| title | media type | ISBN-13 | year of publication | |
|---|---|---|---|---|
| Das große Buch der Numerologie | Taschenbuch | 978-3-442-21534-8 | 2003 | |
| Das große Buch der Numerologie: Das Standardwerk | Gebunden | 978-3-933203-92-2 | 2004 | |
| Helping Yourself With Numerology | Paperback | 978-0-13-386756-5 | 1988 | |
| Helping Yourself with Numerology | " | 978-0-13-386854-8 | 1979 | |
| Helping Yourself with Numerology | Hardcover | 978-0-7234-0506-1 | 1973 | |
| Helping yourself with numerology | " | 978-0-13-386771-8 | 1972 | |
| The Magic of Psychograms: New Way to Power and Prosperity | Paperback | 978-0-06-464016-9 | 1977 | |
| The Magic of Psychograms: New Way to Power and Prosperity | Hardcover | 978-0-13-545343-8 | 1975 |
Goldmann Verlag · HarperCollins · Mosby · Nikol · Prentice Hall