1. References to other sources, including interviews, archives, newspaper articles, court cases, websites and grey publications, are contained in relevant footnotes.
2. Bley, Helmut , South-West Africa under German Rule 1894–1914 (Heinemann, London, 1971).
3. Bridgman, Jon M. , The Revolt of the Hereros (University of California Press, Berkeley, 1981).
4. Cooper, Allan D. , U.S. Economic Power and Political Influence in Namibia, 1700–1982 (Westview Press, Boulder CO, 1982).
5. Cooper, Allan D. , Ovambo Politics in the Twentieth Century (University Press of America, Lanham, 2001).