Oliver & Boyd · Oxford University Press
| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Flowers of South-west Europe: A Field Guide | 978-0-19-217625-7 (0-19-217625-0) | 1973 | Oleg Polunin |
| The birds of Borneo | 978-0-05-001530-8 (0-05-001530-3) | 1968 | |