HarperCollins · Oxford University Press
| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Birds of Zambia | 978-0-00-211097-6 (0-00-211097-0) | 1972 | |
| Contribution to the Ornithology of Zambia | 978-0-19-644054-5 (0-19-644054-8) | 1968 | M.P.S. Irwin |
C B · C. W. · C. Walker · W. B · Walker B