| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Encyclopedia Of Natural Healing | 978-1-55312-039-1 (1-55312-039-6) | 2002 | Siegfried Gursche |
| Encyclopedia of natural healing: The authoritative reference to alternative health & healing: a practical self help guide | 978-0-920470-75-6 (0-920470-75-0) | 1998 | Alive Research Group |