| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Capital and Labour on the Kimberley Diamond Fields, 1871-1890 | 978-0-521-07179-6 (0-521-07179-8) | 2009 |
| Capital and Labour on the Kimberley Diamond Fields, 18711890 | 978-0-521-33354-2 (0-521-33354-7) | 1987 |
R. T. · Robert T. · Robert Turrell · Robert V. · V. T.