List of sources:
FamilySearch: David Traill. https://www.familysearch.org/ark:/61903/3:1:9Q97-Y3Q3-W6V?view=index&personArk=/ark:/61903/1:1:Q2QM-WTL1&action=view&cc=1779109&lang=en&groupId=M964-5H4
Google Scholar. http://scholar.google.co.za Paper by D. Traill.
Medical and Pharmacy
Register for the Colony of the Cape of Good Hope, 1907.
Medical, Dental and Pharmacy
Directory of South Africa, 1926-1927. Johannesburg: Ewald Herbert, 1926.
Obituary: Dr D. Traill. South
African Medical Journal, 27 April 1940, p. 164.
Report of the South
African Association for the Advancement of Science, 1910, List of members
and paper by Traill; 1911, abstracts of two papers by Traill.