References
Verwey:Â New Dictionary of South African Biography | The Star, 27 October 2003. Milestones | Potgieter, D.J. et al. (eds) (1970). Standard Encyclopaedia of Southern Africa, Cape Town: NASOU, v, 5, p. 351 | https://www.andibradley.com/ | https://www.news24.co.za