Libros
Problems, Tasks and Outcomes
2021
Sasol Birds of Southern Africa
2020
Complete Photographic Field Guide Birds of Southern Africa
2017
Pocket Guide to Birds of Namibia
2017
Routledge Revivals: Varieties of Residential Experience (1975)
2017
Volledige Fotografiese Veldgids: Voels van Suider-Afrika
2017