| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Biology of Plants: Laboratory Exercises | 978-0-697-00644-8 (0-697-00644-1) | 1987 | |
| Biology of Plants: Laboratory Exercises, Sixth Edition | 978-0-07-234587-2 (0-07-234587-X) | 1999 | Robert W. Schuhmacker |
| General Biology | 978-0-697-00866-4 (0-697-00866-5) | 1987 | T. E. Rogers · Robert W. Schuhmacher · J. E. Wodsedalek |