Timber Press · Timber Press, Incorporated
| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| An Encyclopedia of Cultivated Palms | 978-0-88192-558-6 (0-88192-558-6) | 2003 | Robert Lee Riffle |
| The Encyclopedia of Cultivated Palms | 978-1-60469-205-1 (1-60469-205-7) | 2012 | Robert Lee Riffle · Scott Zona |