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John C. Rickard, collector at the Pitt Rivers Museum. Retrieved from http://history.prm.ox.ac.uk/collector_3220.html on 10 June 2020.
Mendelssohn, S. South African bibliography. London, 1910.
Mitchell, P.J. The South African stone age in the collections of the British Museum: Content, history and significance. South African Archaeological Bulletin, 1998, Vol. 53, pp. 26-36.
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