List of sources:
British Association for the Advancement of Science. Report of the seventy-fifth meeting... South Africa, 1905.
Cape of Good Hope. Report of the Surveyor-General, 1896, June-December 1904, 1905-1909.
FamilySearch: Athelstan Hall Cornish-Bowden. https://ancestors.familysearch.org/en/9VG2-QMV/athelstan-hall-cornish-bowden-1871-1942
Fisher, R.C. & Thomas, P.W. The Institute of Government Land Surveyors of the Cape of Good Hope. South African Survey Journal, 1979, Vol. 17(1), pp. 7-20.
National Automated Archival Information Retrieval System (NAAIRS). http://www.national.archives.gov.za/naairs.htm Documents relating to Athelstan Hall Cornish-Bowden / A.H. Cornish-Bowden.
Rootsweb. http://wc.rootsweb.ancestry.com/cgi-bin/igm.cgi?op=GET&db=sandberg&id=I01137
Royal Society of South Africa. Transactions, 1908-1910, Vol. 1: List of members.
South African bibliography to the year 1925. London: Mansell, 1979.
South African Philosophical Society. Transactions, 1906-1907, Vol. 16 and 17: Lists of members.
South African Survey Journal, 1925, Vol. 1 (6), paper by Cornish-Bowden.
Union of South Africa. Public service list, 1914.
University of the Cape of Good Hope. Calendar, 1903/4.