References
Potgieter, D.J. et al. (eds) (1970). Standard Encyclopaedia of Southern Africa, Cape Town: NASOU, v. 7, p. 124 | Wallis, F. (2000). Nuusdagboek: feite en fratse oor 1000 jaar, Kaapstad: Human & Rousseau | Kruger, S.J.P. (1902). The Memoirs of Paul Kruger: Four Times President of the South Africa-Republic, told by himself, ed. by Schowalter, London: Unwin.