List of sources:
Albany Museum. Annual Report, 1910.
Bullock, A.A. Bibliography of South African botany (up to 1951). Pretoria: Department of Agricultural Technical Services, 1978.
FamilySearch: Lilian Louise Britten. https://www.familysearch.org/ark:/61903/1:1:79BF-CNW2 and https://www.familysearch.org/ark:/61903/1:1:6FTQ-BLZF
Flora of South Africa, Plant names A-G. At http://www.calflora.net/southafrica/plantnamesA-G.html
Gunn, M. & Codd, L.E. Botanical exploration of southern Africa. Cape Town: Balkema, 1981.
Lubke, R. & Brink, E. One hundred years of botany at Rhodes University. South African Journal of Science, 2004, Vol. 100, pp. 609-614.
National Automated Archival Information Retrieval System (NAAIRS), at http://www.national.archives.gov.za/naairs.htm Documents relating to Lilian Britten.
Phillips, E.P. A brief historical sketch of the development of botanical science in South Africa and the contribution of South Africa to botany. South African Journal of Science, 1930, Vol. 27, pp. 39-80.
Rhodes University College. Calendar, 1924, 1930, 1936.
South African Association for the Advancement of Science. Report, 1910, 1918, Lists of members.
South African Journal of Science, 1937, Vol. 34, pp. xiv-xix, Presidents and secretaries of the sections.
University of the Cape of Good Hope. Calendar, 1908/9.
Women and cacti, at http://kwiki.republika.pl/wom.html