List of sources:
Addresses and papers read at the joint meeting of the British and South African Associations for the Advancement of Science held in South Africa, 1905, Vol. 1. Johannesburg: SAAAS.
Agricultural Journal (Union of South Africa), 1912-1913, Vol. 4-6.
Agricultural Journal of the Cape of Good Hope, 1903, Vol. 22, 23.
British Association for the Advancement of Science. Report of the seventy-fifth meeting...South Africa, 1905.
Cape of Good Hope. Report of the Meteorological Commission, 1897-1908.
Flint, W. & Gilchrist, J.D.F. Science in South Africa, a handbook and review. Cape Town: T. Maskew Miller, 1905.
Google scholar. http://scholar.google.co.za/ , publications
by C.M. Stewart.
History of meteorology in South Africa. Weather Bureau Newsletter, Centenary issue, 1960, No. 139, pp. 1-48 (whole number).
Jackson, S.P. History of meteorology in South Africa. South African Society for Atmospheric Sciences Newsletter, 1994, No. 19, pp. 15-20.
Royal Society of South Africa. Transactions, 1910, Vol. 1; 1917, Vol. 6: Lists of Fellows and members.
Schulze, B.R. A retrospect on thirty-seven years in the South African meteorological service. South African Weather Bureau Newsletter, June 1962, No. 159, pp. 83-86.
South African Association for the Advancement of Science. Report, 1903, 1904, 1905/6.
South African bibliography to the year 1925. London: Mansell, 1979.
South African Philosophical Society. Transactions, 1898-1907, Vol. 10, 16, 17: Lists of members.
Standard encyclopaedia of southern Africa (SESA). Cape Town: NASOU, 1970-1976.
Venter, R.J. Bibliography of regional meteorological literature. Vol. 1. Southern Africa, 1486-1948. Pretoria: Weather Bureau, 1949.
University of the Cape of Good Hope. Calendar, 1913/4, 1917/8.