Afrikaans article on Rear Admiral H.H. Biermann and the store-ship he manned, the Gamtoos, during expeditions to Marion and Prince Edward Islands. Published in Paratus, August 1975.
Afrikaans article in Die Huisgenoot on 24 May 1968, relating the take-over journey to Marion Island. Note reference to ship's master Captain Ken McNish and mate Erns Funk as well as presence of media on journey.