| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| The origins of passions: A personal inquiry into the differing inborn passions and values of Africans and Europeans | 978-O-62O-1836O-4 (O-62O-1836O-8) | 1994 |
de Villiers · J.D. · J. de Villiers · J. F. · J.V. · J. Villiers