| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| The Cutting Edge: Khoe-San rock-markings at the Gestoptefontein-Driekuil engraving complex, North West Province, South Africa | 978-1-78491-7O3-6 (1-78491-7O3-6) | 2017 |
C.H. · Charles H. · J C · J.C.H. · J. Charles · J. H. · J. Hollmann