| title | ISBN-13 | year of publication | |
|---|---|---|---|
| Gartenblumen | 978-3-7735-7891-4 | 1988 | |
| Gartenblumen. Sommerblumen und Stauden | 978-3-7735-2738-7 | 1982 | |
| Il prato | 978-88-08-03952-1 | 1985 | |
| Lawns, Ground Cover and Weed Control | 978-0-671-42253-0 | 1982 |
Delphin-Vlg., Köln · Simon & Schuster · Zanichelli