Helm · Timber Press, Incorporated
| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| HARDY ORCHIDS: Orchids for the Garden and Frost-free Greenhouse | 978-0-7470-0416-5 (0-7470-0416-1) | 1991 | Phillip Cribb |
| Hollies for Gardeners | 978-0-88192-774-0 (0-88192-774-0) | 2006 | |