| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) | |
|---|---|---|---|---|
| American Herbal Pharmacopoeia: Botanical Pharmacognosy - Microscopic Characterization of Botanical Medicines | 978-1-4200-7326-3 (1-4200-7326-5) | 2011 | Roy Upton · Alison Graff · Georgina Jolliffe · Elizabeth Williamson | |
| Gesundheit aus der Naturapotheke | 978-3-211-20321-7 (3-211-20321-4) | 2004 | Heinz Schiller |