List of sources:
Becker, K. & Hecker, J. Vom Schutzgebiet bis Namibia, 1884-1984 (pp. 47-56). Windhoek: Interessengemeinschaft deutschsprachiger Südwester, 1985.
Dictionary of South African biography, Vol. 1, 1968.
FamilySearch: Curt Carl Bruno von Francois. https://www.familysearch.org/ark:/61903/1:1:QPFH-1B6F and https://www.familysearch.org/ark:/61903/1:1:QVK9-TJVS
Kienetz, A. Nineteenth-century South West Africa as a German settlement colony. PhD thesis in social geography, University of Minnesota, 1976. Facsimile by University Microfilms International, Ann Arbor, Michigan, 1977.
Logan, R.F. Bibliography of South West Africa, geography and related fields. Windhoek: SWA Scientific Society, 1969.
South African bibliography to the year 1925. London: Mansell, 1979.
Van den Heuvel, P.A.L. A short history of the survey and registration of land in South West Africa. South African Survey Journal, 1983-1984, Vol. 19(3), pp. 4-15; Vol. 20(1), pp. 20-29.
Zernsdorf: Curt von
Francois. http://www.zernsdorf.de/cms/?q=content/curt-von-francois
Retrieved on 6 December 2016.