

Inquest of Mary Boyd held at Provincial Lunatic Asylum, Toronto, 5th and 6th May, 1868. Evidence and Correspondence in full, with comments of the Toronto Press (1868)
1851 Census for Canada East, Family of Thomas Boyd, Gore Township
1861 Census for Canada East, Family of Thomas Boyd, Gore Township
1871 Canadian Census, Province of Ontario
The Globe
The Telegraph
True Witness and Catholic Chronicle
Canada Medical Journal, July 1868
Joseph Workman, On Crime and Insanity (1877)
Thomas E. Brown, “WORKMAN, JOSEPH,” in Dictionary of Canadian Biography, vol. 12, University of Toronto/Université Laval, 2003–