| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Autismus heilen 2 | 978-90-8879-101-7 (90-8879-101-5) | |
| Healing the Symptoms Known as Autism - 2nd Edition | 978-0-9892890-4-7 (0-9892890-4-4) | 2014 |
| Healing the Symptoms Known as Autism | 978-0-9892890-0-9 (0-9892890-0-1) | 2013 |