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–