List of sources:
Cape of Good Hope. Catalogue of the natural history collections of the Albany Museum, Grahamstown (Appendix to Parliamentary Report G24-'83). Cape Town: W.A. Richards & Sons, 1883.
Cape of Good Hope. Report of the committee of the Albany Museum, 1872, p.1; 1873, p. 2; 1876, p. 5; 1886, p. 3.
Cornelius Cock. http://1820settlers.com/genealogy/getperson.php?personID=I2931&tree=master
Geni: Cornelius Cock, at https://www.geni.com/people/Cornelius-Cock/6000000020258794478
Grahamstown Journal, 29 March 1856, p. 2, "Literary, Scientific and Medical Society".
Heese, J.A. South African genealogies. Pretoria and Stellenbosch, 1986-2005.
Kaapsche Grensblad, 6 July 1861, p. 1, advertissement of Albany Agricultural Society.
National Automated Archival Information Retrieval System (NAAIRS). http://www.national.archives.gov.za/naairs.htm Documents relating to Cornelius Cock / C. Cock.
Schonland, S. Plant life in South Africa during past geological ages. E.P. Magazine, January 1893, Vol. 1(2), pp. 1-2.
South African Agricultural Record, 14 July 1859, No. 39, pp. 482-483, "Albany Agricultural Society".