List of sources:
Family Search: George von Backstrom. Retrieved on 6 February 2023 from https://ancestors.familysearch.org/en/LKYP-DKL/george-von-backstrom-1888-1951
Posthumus, P.J. Past veterinarians in South Africa (10th edition), Vol. 2, [1992].
Von Backström, U. Ngamiland cattle disease. Preliminary report on a new disease, the etiological agent probably being of an infectious nature. Journal of the South African Veterinary Medical Association, 1945, Vol. 16, pp. 29-35.