“Diary of Heinrich Geisel, Sanitary Sergeant in the Kaiserliche Schutztruppe for South West Africa, January 1905–October 1906”. Journal of Namibian Studies : History Politics Culture 21 (June 28, 2017): 117–134. Accessed April 20, 2025. https://namibian-studies.com/index.php/JNS/article/view/138.