Geyer, G.J. “Liggaamlike Opleiding in Die Unie-Verdedigingsmag (1912-1946)”. Scientia Militaria - South African Journal of Military Studies 2, no. 3 (February 28, 2012). Accessed April 18, 2024. https://scientiamilitaria.journals.ac.za/pub/article/view/965.