| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Patrons, Clients, and Empire: Chieftaincy and Over-Rule in Asia, Africa, and the Pacific | 978-0-19-925781-2 (0-19-925781-7) | 2003 | Colin Newbury |
| The Diamond Ring: Business, Politics, and Precious Stones in South Africa, 1867-1947 | 978-0-19-821775-6 (0-19-821775-7) | 1989 | Colin W. Newbury |