List of sources:
Curson, H.H. The veterinary profession in South Africa. Journal of the South African Veterinary Medical Association, 1930-1934, Vol. 1, pp. 3-17; Vol. 2, pp. 1-22, 95-103; Vol. 3, pp.133-137; Vol. 4, pp. 36-45, 107-110, 178-181, 186-188; Vol. 5, pp. 49-62, 133-137, 157-175.
National Archives, Pretoria (TAB), Source MHG, Vol. 0, Ref. 6083/45,
death notice, James Chalmers.
National Automated Archival Information Retrieval System (NAAIRS). http://www.national.archives.gov.za/naairs.htm Documents relating to James Chalmers.
Posthumus, P.J. An index of veterinarians in South Africa (4th ed.). Pietermaritzburg: P.J. Posthumus, 1982.
Register of Veterinarians of the Union of South Africa and South West Africa. Journal of the South African Veterinary Medical Association, 1929, Vol. 1, pp. 77-83.
South African Institute for Medical Research. Annual Report, 1933.
South African Journal of Natural History, 1918, Vol. 1(1), pp. 8-15: Roll of Foundation Members [of the SA Biological Society].
South African who's who, 1931/2.
Transvaal Agricultural Journal, 1906, Vol. 4, paper by Chalmers.
Union of South Africa. Public service list, 1914.