List of sources:
Campbell's Grahamstown annual, 1867.
Cape of Good Hope almanac and annual register, 1856-1861.
Cape of Good Hope. Report of the committee of the Albany Museum, 1858.
De Klerk, W.J. Albany Museum. In C.R. Anhaeusser (Ed.), A century of geological endeavour in southern Africa, 1895-1995 (pp. 324-336). Johannesburg: Geological Society of South Africa, 1997.
Eastern Province Monthly Magazine, August 1857, Vol. 1(12), p. 697, Our institutes.
Fowler, N. History of the Albany Museum. Unpublished typescript, Albany Museum Library, not dated.
Grahamstown Journal, 12 January 1856, p. 2, Grahamstown Medico-Chirurgical Society; 26 January 1856, p. 3, Literary, Scientific and Medical Society; 9 February 1856, p. 4, Advertisement: Literary, Scientific and Medical Society; 1 July 1856, p. 3, Our institutes; 8 June 1858, p. 1, Notice: Literary, Scientific and Medical Society; 26 July 1859, p. 4, (Lecture by McDonald).
Kaapsche Grensblad, 27 June 1857, p. 1, 4 July 1857, p. 1, 11 September 1858, p. 1, and 8 January 1859, p. 1, Advertisement: Literary, Scientific and Medical Society; 31 July 1858, p. 4, (letter by McDonald).
Literary, Scientific and Medical Society (Grahamstown). Minute Book, 1855-1861, pp. 1-10 (Albany Museum, Grahamstown).
National Automated Archival Information Retrieval System (NAAIRS). http://www.national.archives.gov.za/naairs.htm Documents relating to McDonald, Alexander L.
South African Agricultural Register and Eastern Province Magazine, 20 January 1859, p. 191, Literary, Scientific and Medical Society.
South African Commercial Advertiser, 1 November 1853, p. 1 and 10 November 1853, p. 1, Advertisement: Cape Town Mechanics Institute.