List of sources:
Google scholar. http://scholar.google.co.za/ Publications by I.W. Brebner.
Malan, M. In quest of health: The South African Institute for Medical Research, 1912-1973. Johannesburg: Lowry, 1988.
Medical and Pharmacy register for the Colony of the Cape of Good Hope, 1907. Cape Town: Townshend, Taylor & Snashall.
Medical, Dental and Pharmacy Directory of South Africa, 1926-1927. Pietermaritzburg: Ewald Herbert, 1926.
Murray, B.K. Wits, the early years. A history of the University of the Witwatersrand, Johannesburg, and its precursors, 1896-1939. Johannesburg: Witwatersrand University Press, 1982.
Myburgh, I.A. In memoriam: Innes Wares Brebner. South African Medical Journal, 17 September 1977, Vol. 52(13), p. 544.
National Automated Archival Information Retrieval System (NAAIRS), at http://www.national.archives.gov.za/naairs.htm Documents relating to Innes Wares Brebner / I.W. Brebner.
Pietermaritzburg Archives Repository (NAB), Vol. NMC 34, List of medical practitioners, etc. registered [in the] Transvaal, as on 31 December 1914.
University of the Cape of Good Hope. Calendar, 1903-4.
University of the Witwatersrand. Honorary Graduates, at http://www.wits.ac.za/alumni/alumnirecognition/3600/honorary_degrees.html
Veller, M. Department of Surgery, University of the Witwatersrand: A brief history. South African Journal of Surgery, 2006, Vol. 44(2), pp. 44-51.
WorldCat, at http://www.worldcat.org