List of sources:
Albany Natural History Society. Minute Book, 16 March 1892. (In Albany Natural History Museum, Grahamstown.)
British Association for the Advancement of Science. Report of the seventy-fifth meeting... South Africa, 1905, list of members.
Brown, M.E., Eve, D.J. & Letcher, T.M. Eighty years of chemistry at Rhodes. Chemsa, August 1983, Vol. 9, pp. 136-139.
Brown, M.E. et al. 100 Years of chemistry at Rhodes University. South African Journal of Science, 2004, Vol. 100, pp. 530-538.
Buckland, R. & Neville, I. A story of Rhodes: Rhodes University 1904-2004. Johannesburg: Macmillan, 2004.
Cape of Good Hope. Report of the committee of the Albany Museum, 1906.
Currey, R.F. Rhodes University 1904-1970: A chronicle (pp. 20-21, 54). Grahamstown, 1970.
Dictionary of South African biography, Vol. 2, 1972.
E.P. Magazine, October 1892, Vol. 1(1), pp. 2-4, "The origin and progress of the society"; April 1893, Vol. 1(3), pp. 33-40, "Allotropy"; December 1894, Vol. 2(3), inside back cover, "St. Andrew's College, Grahamstown" (advertisement).
FamilySearch: George Edward Cory. https://www.familysearch.org/ark:/61903/1:1:QG55-V4DZ and https://www.familysearch.org/ark:/61903/1:1:QK18-BD77
Grahamstown Journal, 30 January 1892, p. 3, "Mr Cory's chemistry classes"; 9 February 1892, p. 3, "Mr. Cory's lectures"; 9 June 1892, p. 2, "Eastern Province Literary and Scientific Society"; 4 August 1892, p. 3, "Lecture on chemistry"; 12 November 1892, p. 2, "Lecture by E.G. Cory, Esq."; 7 February 1895, p. 3, "Lectures on chemistry".
National Automated Archival Information Retrieval System (NAAIRS). http://www.national.archives.gov.za/naairs.htm Documents relating to George Edward Cory / G.E. Cory.
National Union Catalogue, pre-1956 imprints. London: Mansell, 1968-1980.
Oxford dictionary of national biography. Oxford University Press, 2004.
Rhodes University College. Calendar, 1906-1911, 1924.
South African Association for the Advancement of Science. Report, 1903, 1905/6, 1910, 1918: Lists of members.
South African bibliography to the year 1925. London: Mansell, 1979.
South African Chemical Institute. Proceedings and list of members, 1921-1922.
South African Journal of Science, 1937, Vol. 34, pp. xiv-xix, "Presidents and secretaries of the sections".
University of the Cape of Good Hope. Calendar, 1892/3, pp. xxxi-xxxvii, Graduates of other universities...; 1897/8-1904/5, Advertisements of St Andrew's College; 1914/5, Part II, p. 300, Rhodes University College.