References

Wallis, F. (2000). Nuusdagboek: feite en fratse oor 1000 jaar, Kaapstad: Human & Rousseau | Muller, C.F.J. (ed) (1981). Five Hundred years: a history of South Africa; 3rd rev. ed., Pretoria: Academica, p. 37 | Potgieter, D.J. et al. (eds) (1970). Standard Encyclopaedia of Southern Africa, Cape Town: NASOU, v.11, p. 157.