HarperCollins · Various small imprints
| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| A Field Guide to the Trees of Southern Africa | 978-0-620-05468-3 (0-620-05468-9) | 1981 | |
| Field Guide to the Trees of Southern Africa | 978-0-00-219339-9 (0-00-219339-6) | 1977 | |
| South Africa | 978-0-00-211189-8 (0-00-211189-6) | 1979 | Geoffrey Jenkins |