| title | media type | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|---|
| Capacity for Work in the Tropics | Hardcover | 978-0-521-30935-6 | 1988 | K. J. Collins |
| Genetics Variation & Maintenance | Paperback | 978-0-521-06457-6 | 2008 | |
| Genetic Variation and its Maintenance | Printed Access Code | 978-0-511-98360-3 | 2012 | G. F. De Stefano |
| Genetic Variation and its Maintenance | Hardcover | 978-0-521-33257-6 | 1986 | " |
| Isolation, Migration and Health | Paperback | 978-0-521-06482-8 | 2008 | |
| Isolation, Migration and Health | Hardcover | 978-0-521-41912-3 | 1992 | N. Fujiki · K. Torizuka |
D.F. · D. F. Roberts · (D-R) · D. Roberts · Derek Roberts · F. Roberts