List of sources:
Curson, H.H. Matters of veterinary interest, 1795-1881, Part 3. Journal of the South African Veterinary Medical Association, 1935, Vol. 6, pp. 274-296.
FamilySearch: Samuel Wiltshire. https://www.familysearch.org/en/tree/person/details/GQT1-GXW
Google scholar. http://scholar.google.co.za/ , publications
by S. Wiltshire.
Gutsche, T. There was a man. The life and times of Sir Arnold Theiler, K.C.M.G., of Onderstepoort. Cape Town: Timmins, 1979.
National Archives Repository (TAB), Source MHG, Vol. 0, Ref. 52797: estate papers, Samuel Wiltshire.
National Automated Archival Information Retrieval System (NAAIRS). http://national.archives.gov.za/naairs.htm Documents relating to Wiltshire, Samuel / Wiltshire, S.
Posthumus, P.J. Past veterinarians in South Africa, 10th Edition, Vol.2, [1992].
South African bibliography to the year 1925. London: Mansell, 1979.