List of sources:
Cape of Good Hope. Report on the Port Elizabeth Museum, 1905.
Eastern Province Naturalists Society. Minute Book 1, meeting of 23 February 1882; Minute Book 2, pp. 64, 95, 107, 159, 162. (Port Elizabeth Public Library, Africana Collection).
Eastern Province Naturalists Society. Ninth Annual Report, 1890, p. 1. Port Elizabeth: James Kemsley, 1891.
General Directory of South Africa, 1890/1.
National Automated Archival Information Retrieval System (NAAIRS). http://www.national.archives.gov.za/naairs.htm Documents relating to Chaplin, John Gauntlett.
South African bibliography to the year 1925. London: Mansell, 1979.