| year of publication | ISBN | author(s) | title |
|---|---|---|---|
| 1982 | 978-0-913162-01-9 | Esther Veramae Hamel | The Encyclopedia of Judging & Exhibiting Floriculture and Flora-Artistry: A Classic, Revised Edition |
| 1975 | 978-0-913162-03-3 | Esther Veramae Hamel | Gestalt and Floral Design, Judging |