List of sources:
National Archives Repository (TAB), Source MHG, Vol.
0, Ref. 12609/72: Death notice and last will and testament, Nicolaas Hofmeyr
Kestell
Report
of the Director of Veterinary Research (7th and 8th),
1918, paper by Green and Kestell.
South African Association for the Advancement of
Science. Report, 1918, paper by Green
and Kestell.
University of the Cape of Good Hope, Calendar, 1917/8.