R.D. · Robert C. Drewes · Robert D.
| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| A Field Guide to the Reptiles of East Africa | 978-0-7136-6817-9 (0-7136-6817-2) | 2004 | Stephen Spawls · Kim Howell · James Ashe |
| Pocket Guide to the Reptiles and Amphibians of East Africa | 978-0-7136-7425-5 (0-7136-7425-3) | 2006 | Stephen Spawls · Kim Howell |