Bouch, R.J. “BASLER AFRIKA BIBLIOGRAPHIEN: Mitteilungen 7/8. Reprint ’Kriegsnachrichten: Tsumeb, Südwestafrika, 1915.”. Scientia Militaria - South African Journal of Military Studies 4, no. 4 (February 28, 2012). Accessed November 28, 2021. https://scientiamilitaria.journals.ac.za/pub/article/view/908.