List of sources:
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Bullock, A.A. Bibliography of South African botany (up to 1951). Pretoria: Department of Agricultural Technical Services, 1978.
Gunn, M. & Codd, L.E. Botanical exploration of southern Africa.
Cape Town: Balkema, 1981.
Hall, A.L. A bibliography of South African geology. Pretoria: Geological Survey, Memoir No. 30, 1937.
How the Cape Natural History Club began. The Cape Naturalist, 1934, Vol. 1(1), pp. 18-20; also, Club consultants, Vol. 1(1), p. 25; Club Roll, Vol. 1(1), pp. 25-28; and Club consultants, 1939, Vol. 1(6), p. 218.
Killick, D.J.B.
Presidential Address: Fifty years of plant ecology in South Africa. Journal of the South African Biological
Society, 1966, Vol. 7, pp. 11-28.
Obituary: Dr Robert S. Adamson. South African Journal of Science, 1965, Vol. 61, p. 443.
Phillips, H. The University of Cape Town, 1918-1948: The formative years. University of Cape Town, 1993.
Standard Encyclopaedia of Southern Africa (SESA). Cape Town: NASOU, 1970-1976.