List of sources:
Burrows, E.H. A history of medicine in South Africa up to the end of the nineteenth century. Cape Town: Balkema, 1958.
Medical, dental and pharmacy register for the Transvaal, 1907.
Men of the times: Pioneers of the Transvaal and glimpses of South Africa. Johannesburg: Transvaal Publishing Company, 1905.
National Archives Repository (TAB), Source MHG, Vol. 0, Ref. 25497: death notice, James Alexander Kay.
Pretoria Medical Society. Rules of the Pretoria Medical Society. [Pretoria?], not dated. (National Archives, Pretoria: Publications of the ZAR, Vol. 170).
South African medical directory for 1897. Cape Town: Cape Times, 1897.
Staats-almanak der Zuid-Afrikaansche Republiek, 1898, pp. 86-93: Lijst van de geadmitteerde genees-, heel- en verloskundigen...
Staats Courant der Zuid-Afrikaansche Republiek, 2 April 1890, p. 298: Gouvernements Kennisgeving.
The Transvaal Biological Society. South African Journal of Natural History, 1918, Vol. 1(1), pp. 24-32.
Transvaal Medical Journal, 1908, Vol. 4.