List of sources:
Cape of Good Hope. Report of the Government Botanist and Curator of the Cape Government Herbarium, 1897.
Cape of Good Hope. Report of the Trustees of the South African Museum, 1909.
Codd, L.E. & Gunn, M. Additional biographical notes on plant collectors in southern Africa. Bothalia, 1985, Vol. 15, pp. 631-654.
Eastern Province Naturalists' Society. Minute Book, 1885-1892, list of members.
FamilySearch: Ethel West Anderson. https://www.familysearch.org/ark:/61903/3:1:9Q97-Y3Q6-5GB?view=index&personArk=/ark:/61903/1:1:Q2QM-QB1M&action=view&cc=1779109&lang=en&groupId=M96W-8DX AND https://www.familysearch.org/ark:/61903/1:1:6ZHP-X1KS?lang=en
Thiselton-Dyer, W.T. (ed.) Flora Capensis, preface to Vol. 4.1. London: L. Reeve, 1909.