| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| The Shrub Identification Book: The Visual Method for the Practical Identification of Shrubs, Including Woody Vines and Ground Covers | 978-0-688-05040-5 (0-688-05040-9) | 1973 |
| Tree Identification Book: A New Method for the Practical Identification and Recognition of Trees | 978-0-688-05039-9 (0-688-05039-5) | 1973 |
G.S. · G. W. · George S. · George W. · George Wellington Dillingham Symonds · W.S.