R. B · R. Barbour · Roger W. Barbour
| title | ISBN-13 (ISBN-10)  | year of publica- tion  | other author(s) | 
|---|---|---|---|
| A Guide to the Wildflowers and Ferns of Kentucky | 978-0-8131-5558-6 (0-8131-5558-4)  | 2014 | Mary Wharton | 
| Trees and Shrubs of Kentucky | 978-0-8131-1294-7 (0-8131-1294-X)  | 1973 | " |