List of sources:
Burrows, E.H. A history of medicine in South Africa. Cape Town: Balkema, 1958.
FamilySearch: De Julius Antonius Caecilius (Cecil) Schulz. https://www.familysearch.org/en/tree/person/details/M43C-8ZS
Gutsche, T. There was a man. The life and times of Sir Arnold Theiler, KCMG, of Onderstepoort. Cape Town: Timmins, 1979.
Natal almanac, directory and yearly register, 1880, 1890: Medical men.
National Automated Archival Information Retrieval System (NAAIRS). http://national.archives.gov.za/naairs.htm Documents relating to Schulz, Cecil / Schulz, C.
Reitz, O.G. August Hammar, 1856-1931. South African Survey Journal, 1968, Vol. 11(4), pp. 31-38.
Rosenthal, E. Southern African dictionary of national biography. London: F. Warne, 1966.
South African medical directory for 1897. Cape Town: Cape Times, 1897.
Staats-almanak der Zuid-Afrikaansche Republiek, 1896, 1898: Naamlijst van de geadmitteerde genees-, heel- en verloskundigen...