List of sources:
Cape of Good Hope. Report of the Meteorological Commission, 1902-1906.
Council for Geoscience. Catalogue of publications of the Geological Survey and government publications dealing with earth sciences (compiled by R.R.M. Price). Pretoria: Council for Geoscience, 1997.
Hall, A.L. Bibiography of South African geology to the end of 1920. Pretoria: Geological Survey, Memoir No. 18, 1922.
National Archives Repository (TAB), Source MHG, Vol. 0, Ref. 1366/50: death notice, Arthur Bransby Welsh.
National Automated Archival Information Retrieval System (NAAIRS). http://national.archives.gov.za/naairs.htm Documents relating to Welsh, Arthur Bransby / Welsh, A.B.
Ritchie, W. The history of the South African College, 1829-1918. Cape Town: T. Maskew Miller, 1918.
South African Association for the Advancement of Science. Report, 1903, 1905/6: Lists of members.
Union of South Africa. Public service list, 1914.
Union of South Africa, Department of Mines and Industries. Report on the manganese deposits in the south-west districts of the Cape Province. Report UG34-17, 1917.
University of the Cape of Good Hope. Calendar, 1903/4-1910/11.