Bibliografía (15 obras)
Snakes and Snakebite in Southern Africa
2014
What's That Reptile?
2010
Time bomb
A guide to the reptiles of Southern Africa
2008
What's that snake?
2007
Great Tuskers of Africa
2006
Complete Guide To Snakes Of Southern Africa
2005
L'univers des serpents
2003
Snakes of Southern Africa
2002
Snakes and Snake Bite in Southern Africa (Nature Guides)
2000
A Complete Guide to the Snakes of Southern Africa (South African Travel & Field Guides)
1999
Slange En Slangbyte in Suid-Afrika (SASOL Nature Guide)
Snakes
1997
A Complete Guide to the Snakes of Southern Africa
1992
Snake Versus Man
1985
