American Society of Agronomy · McGraw-Hill
| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Hybridization of Crop Plants | 978-0-89118-034-0 (0-89118-034-6) | 1980 | Henry Hultman Hadley |
| Principles of Cultivar Development: Theory and Technique | 978-0-07-020345-7 (0-07-020345-8) | 1987 | |
| Principles of Cultivare Development | 978-0-07-020344-0 (0-07-020344-X) | 1987 | |
R. F. · W F · W R · W. R. Fehr · Walter F.