List of sources:
Cape of Good Hope. Report of the Surveyor-General, 1901.
FamilySearch: Frank Field Elliott. https://ancestors.familysearch.org/en/L5TD-RKD/frank-field-elliott-1877-1951 and https://www.familysearch.org/ark:/61903/3:1:33S7-95FP-9M53?view=index&personArk=/ark:/61903/1:1:79BJ-MMW2&action=view
Fisher, R.C. et al. The Institute of Government Land Surveyors of the Cape of Good Hope. South African Survey Journal, 1979, Vol. 17(1), pp. 7-43.
Horne, J.R. The Horne family: A historical review of 260 years in surveying. South African Survey Journal, 1981, Vol. 18(3), pp. 4-12.
National Automated Archival Information Retrieval System (NAAIRS), at http://www.national.archives.gov.za/naairs.htm Documents relating to Elliott, Frank Field / Elliott, F.F.
Union of South Africa. Public Service List, 1914. Pretoria: Government Printer, 1914.
University of the Cape of Good Hope. Calendar, 1903/4.