Christopher J. Rutty, "The Middle-Class Plague: Epidemic Polio and the Canadian State, 1936-37," Canadian Bulletin of Medical History 13 (1996): 277-314.

Photograph of boy on a Bradford Frame with attached standardized arm and foot splints, which were designed and built by the Hospital for Sick Children, Tornto, and provided free to all paralytic polio patients by the Ontario Department of Health. (Photo from the Hospital for Sick Children, 62nd Annual Report, October 1, 1936-September 30, 1937 [Toronto, 1937], p. 29, courtesy of the Hospital for Sick Children Archives)