| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Plant Biology | 978-0-7216-6864-2 (0-7216-6864-X) | 1976 | Knut J. Norstog |
| Plant Biology: Laboratory Manual for Elementary Botany | 978-0-7216-5791-2 (0-7216-5791-5) | 1976 | " |
R. L · R. Long · Robert L. · Robert Long · Robert W. · W.L. · W. Long