Routledge · Various small imprints
| title | ISBN-13 | year of publication | 
|---|---|---|
| Footprints on a southern land | 978-0-620-12841-4 | 1988 | 
| Great river: The story of the Orange River | 978-0-620-09845-8 | 1986 | 
| The Drakensberg Bushmen and their art: With a guide to the rock painting sites | 978-0-620-07419-3 | 1984 | 
| The Rock Art of Africa | 978-1-138-81815-6 | 2016 | 
| The Rock Art of Africa : Volume 51 | 978-1-138-81609-1 | 2014 |