University of Toronto Archives. A1967 - 0007, Box 91
Offprint. Reprinted by the Trustees of the Banting Research Foundation from World's Work (Nov. 1923)
F.G. Banting, C.H. Best, J.B. Collip, and J.J.R. Macleod. “The Preparation of Pancreatic Extracts containing Insulin.” Reprinted from the Transactions of the Royal Society of Canada, 1922.