Fokkens, Andries M. “The Suppression of Internal Unrest in South West Africa (Namibia) 1921–1933”. Scientia Militaria - South African Journal of Military Studies 40, no. 3 (February 1, 2013). Accessed April 23, 2024. https://scientiamilitaria.journals.ac.za/pub/article/view/1030.