| title | media type | ISBN-13 (ISBN-10) | year of publica- tion |
|---|---|---|---|
| Green Plants: Their Origin and Diversity | Hardcover | 978-0-931146-20-6 (0-931146-20-8) | 1992 |
| Green Plants: Their Origin and Diversity | Paperback | 978-0-931146-23-7 (0-931146-23-2) | 1992 |
P. Robert · Peter Bell · Peter R. Bell · Peter Robert · R.B. · Robert B. · Robert Bell