List of sources:
Cape of Good Hope. Report on the Albany Museum, 1899.
Dictionary of South African biography, Vol. 5.
E.P. Magazine, 1892, Vol. 1(1), p. 3, The origin and progress of the society; 1893, Vol. 2(1), pp. 1-16, Some evidence of primitive man; 1894, Vol. 2(3), pp. 65-66, E.P. Literary and Scientific Society; 1895, Vol. 2(5), pp. 214-215, Proceedings of the Society.
Grahamstown Journal, 12 February 1891, p. 3, Albany Museum; 14 May 1892, p. 3, Literary and Scientific Society; 2 July 1892, p. 2, Literary, scientific and Medical Society; 13 June 1893, p. 3, E.P. Lit. and Scientific Society; 26 August 1893, p. 2, Mr Justice Jones's lecture; 21 July 1894, p. 2, and 17 August 1895, p. 2, E.P. Literary and Scientific Society; 20 June 1896, p. 4 Albany Museum; 26 June 1897, p. 3, Literary, Scientific and Medical Society.
Literary, Scientific and Medical Society. Minute Book, 1898-1903, p. 1.
National Automated Archival Information Retrieval System (NAAIRS). http://www.national.archives.gov.za/naairs.htm Documents relating to Sydney Twentyman Jones / S.T. Jones.
Sydney Twentyman Jones. Geni, at https://www.geni.com/people/Sydney-Twentyman-Jones/6000000006421848313 as on 2018-2-26.
Ritchie, W. The history of the South African College, 1829-1918 (list of alumni). Cape Town: T. Maskew Miller, 1918.