List of sources:
Malherbe, D.F. du T. Family register of the South African nation, 3rd ed. Stellenbosch: Tegniek, 1966.
My Heritage: Christian Watermeyer. Retrieved on 13 April 2021 from https://www.myheritage.com/names/christian_watermeyer
National Automated Archival Information Retrieval System (NAAIRS). http://national.archives.gov.za/naairs.htm Documents relating to Watermeyer, C.J.
Van der Westhuizen, J. Our chief justices: E.F. Watermeyer (1943-1950). Retrieved on 13 April from https://journals.co.za/doi/pdf/10.10520/AJA02500329_942
Venter, R.J. Bibliography of regional meteorological literature. Vol. 1. Southern Africa, 1486-1948. Pretoria: Weather Bureau, 1949.