List of sources:
Agricultural Journal of the Cape of Good Hope, 1905, Vol. 27, articles by Robinson.
Cape of Good Hope. Report of the Colonial Veterinary Surgeon, 1897-1902.
Curson, H.H. The veterinary profession in South Africa... Journal of the South African Veterinary Medical Association, 1931, Vol. 2(2), pp. 95-101; 1932, Vol. 3(2), pp. 133-137.
Diesel, A.M. The early veterinarians of the Cape. Journal of the South African Veterinary Medical Association, 1953, Vol. 24(4), pp. 191-196.
FamilySearch: John Andrew Robinson. https://www.familysearch.org/ark:/61903/3:1:3Q9M-CSQX-9962-M?view=index&personArk=/ark:/61903/1:1:QGYD-7RB9&action=view&cc=2517051&lang=en&groupId=M9DB-KMD
National Automated Archival Information Retrieval System (NAAIRS). http://national.archives.gov.za/naairs.htm Documents relating to Robinson, John Andrew / Robinson, J.A.
Posthumus, P.J. Past Veterinarians in South Africa (10th Edition), Vol. 2, [1992].
Union of South Africa. Public service list, 1914.