List of sources:
Google scholar. http://scholar.google.co.za/ , publications
by F. A. Arnold.
List of Fellows of the Society of Tropical Medicine and Hygiene. Transactions of the Society of Tropical Medicine and Hygiene, 1908, Vol. 1. Retrieved on 10 January 2023 from https://academic.oup.com/trstmh/article-abstract/1/Supplement_C/v/1928124?login=false
Medical, dental and pharmacy directory of South Africa, 1926/7.
Medical, dental and pharmacy register for the Transvaal, 1907.
National Automated Archival Information Retrieval System (NAAIRS). http://www.national.archives.gov.za/naairs.htm Repositories KAB and TAB: Documents relating to Arnold, Frank Arthur.
Pietermaritzburg Archives Repository, Vol. NMC 34: List of medical practitioners, dentists, chemists and druggists... [registered in the Transvaal, as on 31 December 1914].
South African Association for the Advancement of Science. Report, 1903, 1905/6, 1910, 1918: Lists of members.
Transvaal Agricultural Journal, 1902-1910, Vol. 1-9.
Transvaal civil service list, 1906.
Union of South Africa. Public service list, 1914.