List of sources:
Andrews, W.H. The so-called "Staggers" or Pushing Disease of cattle in Natal: An intoxication due to the ingestion of Matricaria nigellaefolia. Ninth and 10th Reports of the Director of Veterinary Education and Research, Union of South Africa, 1923, pp. 123-220.
Author and Subject Index to the Government Veterinary Reports of the Transvaal and Union of South Africa (1903-1932). Pretoria: Department of Agriculture, June 1937.
Brown, M.H.V. & Curson, H.H. The veterinary profession in South Africa. 6: Theses for the doctorate. Journal of the South African Veterinary Medical Association, 1933, Vol. 4(3), pp. 186-188.
Curson, H.H. The veterinary profession in South Africa: (3) Professional Veterinary Medical Societies - (a) Transvaal Veterinary Medical Association. Journal of the South African Veterinary Medical Association, 1931, Vol. 2(1), pp. 3-22.
Obituary: William Horner Andrews. Journal of the South African Veterinary Medical Association, 1953, Vol. 24(2), p. 121.
Posthumus, P.J. Past Veterinarians in South Africa, Vol. 1, 10th edition, [1992].
Second Report of the Director of Veterinary Research, 1912, paper by W.H. Andrews.
South African Association for the Advancement of Science. Report, 1912, paper by Andrews.
South African Journal of Natural History, 1918, Vol. 1(1), pp. 8-15: Roll of Foundation Members [of the SA Biological Society].
South African Journal of Science, 1923, Vol. 22, paper by Green and Andrews.
Union of South Africa. Public service list, 1914.
Verwoerd, D. W. and Andrews, W. J. H. William Horner Andrews (1887-1953) - First Professor of Physiology at Onderstepoort. Journal of the South African Veterinary Association, 2011, Vol. 82(1), pp. 3-5.
William Horner Andrews: An appreciation. Journal of the South African Veterinary Medical Association, 1953,
Vol. 24(2), pp. 119-120.