List of sources:
Barnard, K.H. Personal names in South African conchology. Cape Town: Conchological Society of Southern Africa, Special Publication No. 4, 1965.
FamilySearch: William Falcon. https://www.familysearch.org/ark:/61903/3:1:3Q9M-C915-975X-J?view=index&personArk=/ark:/61903/1:1:DLH3-BL2M&action=view and https://www.familysearch.org/ark:/61903/1:1:6ZHP-6CYR
FamilySearch: Mabel Falcon. https://www.familysearch.org/ark:/61903/3:1:3Q9M-C915-97VZ-Y?view=index&personArk=/ark:/61903/1:1:D27M-C6N2&action=view
Herbert, D. & Kilburn, D. Field guide to the land snails and slugs of eastern South Africa. Pietermaritzburg: Natal Museum, 2004.
Kilburn, R. & Rippey, E. Sea shells of southern Africa. Johannesburg: Macmillan, 1982.
National Automated Archival Information Retrieval System (NAAIRS), at http://www.national.archives.gov.za/naairs.htm Documents relating to William Falcon // W. Falcon.
South African Association for the Advancement of Science. Report, 1918, List of members.
University of the Cape of Good Hope. Calendar, 1906/7 to 1917/8.