List of sources:
British Association for the Advancement of Science. Report of the seventy-fifth meeting... South Africa, 1905, list of members.
Cape of Good Hope. Report of the trustees of the South African Museum, 1898, 1899, 1900, 1904, 1907, 1908.
FamilySearch: Harold Armstrong Fry. https://www.familysearch.org/search/record/results?q.anyDate.from=1869&q.anyPlace=South Africa&q.givenName=Harold Armstrong&q.surname=Fry
Gunn, M. & Codd, L.E. Botanical exploration of southern Africa. Cape Town: Balkema, 1981.
National Archives Repository (TAB), Source MHG, Vol. 0, Ref. 28404: death notice, Harold Armstrong Fry.
National Automated Archival Information Retrieval System (NAAIRS). http://www.national.archives.gov.za/naairs.htm Documents relating to Fry, Harold Armstrong/Fry, H.A.
Royal Society of South Africa. Transactions, 1908-1910, Vol. 1, list of members.
South African Ornithologists' Union. Journal, 1909, Vol. 5(3), list of members.
South African Philosophical Society. Transactions, 1900-1907, Vol. 11, 16, 17: Lists of members.
University of the Cape of Good Hope. Calendar, 1887/8.