List of sources:
Author and Subject Index to the Onderstepoort Journal of Veterinary Science and Animal Industry (1933-1950) and the Onderstepoort Journal of Veterinary Research (1951-1968). Pretoria: Department of Agriculture, June 1969.
Grosskopf, J.F.W., Skinner, J.D. & Daffüe, S.C. Die Universiteit van Pretoria se bydrae tot die dierefisiologiese vakliteratuur (1930-1980). Universiteit van Pretoria, Publikasies, Nuwe Reeks, Nr. 150, 1980.
In Memoriam: Jan Georg van der Wath. Journal of the South African Veterinary Medical Association, 1968, Vol. 39, p. 103.
National Archives Repository (TAB), Source MHG, Vol. 0, Ref. 15722/68: death notice, Jan Georg van der Wath.
National Automated Archival Information Retrieval System (NAAIRS). http://national.archives.gov.za/naairs.htm Documents relating to Van der Wath, Jan Georg / Van der Wath, J.G.
Posthumus, P.J. Past veterinarians in South Africa (10th edition), Vol. 2, [1992].