List of sources:
Google scholar. http://scholar.google.co.za Publications by G.J.M. Melle.
Laidler, P.W. & Gelfand, M. South Africa, its medical history, 1652-1898. Cape Town: Struik, 1971.
McGregor Museum. Annual Meeting. Curator's Report [for 1914]. Diamond Fields Advertiser. ? March 1915 (copy in McGregor Museum, Kimberley).
Medical and Pharmacy Register for the Colony of the Cape of Good Hope, 1893, 1907.
Medical, Dental and Pharmacy Register for the Transvaal, 1907.
Medical, Dental and Pharmacy Directory of South Africa, 1926/7.
Melle, B.G. The Transvaal Medical Society. South African Medical Journal, 1937, Vol. 11(7), pp. 217-220.
National Archives Repository (TAB), Source MHG, Vol. 0, Ref. 99429: death notice, George James McCarthy Melle.
National Automated Archival Information Retrieval System (NAAIRS). http://www.national.archives.gov.za/naairs.htm Documents relating to Melle, George James McCarthy / Melle, G.J.M.
Obituary: Dr G.J. Melle. South African Medical Journal, 9 October
1937, p. 698. Retrieved from https://journals.co.za/docserver/fulltext/m_samj/11/19/12257.pdf?expires=1538730452&id=id&accname=guest&checksum=96402E6F2115DF5D05A28495A64002AC
on 2018-10-5.
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South African Medical Journal [Series 2], December 1895, Vol. 3, p. 235: List of members, CGH Branch of the BMA; January 1898, Vol. 5, pp. 240-242: South African Medical Association (list of members).
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Staats-Almanak der Zuid-Afrikaansche Republiek, 1898, pp. 86-93, Naamlijst van de geadmitteerde genees-, heel- en veloskundigen...
Staats Courant der Zuid-Afrikaansche Republiek, 2 April 1890, p. 298, Gouvernements Kennisgeving No. 90: Lijst van toegelaten geneeskundigen.