List of sources:
Chemical, Metallurgical and Mining Society of South Africa. Proceedings, 1903, Vol. 3, list of members; Journal, 1904-1906, Vol. 5-6.
FamilySearch: Walter C C Pakes https://www.familysearch.org/ark:/61903/1:1:QVHV-GH79?lang=en
FamilySearch: Walter Charles Cross Page. https://www.familysearch.org/ark:/61903/1:1:QPLX-NFKY?lang=en
General directory of South Africa, 1908, 1909, 1910, 1911, 1916.
Google scholar. http://scholar.google.co.za Publications by W.C.C. Pakes.
Malan, M. In quest of health: The South African Institute for Medical Research, 1912-1973. Johannesburg: Lowry, 1988.
National Automated Archival Information Retrieval System (NAAIRS). http://www.national.archives.gov.za/naairs.htm Documents relating to Pakes, Walter / Pakes, W.C.C. / Dr Pakes.
National Union Catalogue, pre-1956 imprints. London: Mansell, 1968-1980.
Orange River Colony civil service list, 1910.
Royal Society of London. Catalogue of scientific papers [1800-1900]. London: Royal Society, 1867-1925.
South African Association for the Advancement of Science. Report, 1904, 1905/6.
Transvaal [Colony], Colonial Secretary's Department. Annual report, 1903/4.
Transvaal [Colony], Department of Agriculture. Annual report, 1905/6.
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W.J. British physiologists 1885-1914: A
biographical dictionary. Retrieved from https://books.google.co.za/books?id=KrToAAAAIAAJ&pg=PA234&lpg=PA234&dq=Walter Charles Cross Pakes&source=bl&ots=ggvc-lXn1i&sig=ACfU3U1QtvneFaEb5Q3f8dpvQs_ZXL7fcA&hl=en&sa=X&ved=2ahUKEwj9t-q8xZLgAhW_SRUIHbolB1EQ6AEwEHoECAkQAQ#v=onepage&q=Walter Charles Cross Pakes&f=false
on 2019-1-29.
Watermeyer, G.A. & Hoffenberg, S.N. Witwatersrand mining practice (pp. 680, 686). Johannesburg: Transvaal Chamber of Mines, Gold Producers' Committee, 1932.