1. Cushing H. The Life of Sir William Osler. London, New York, Toronto: Oxford University Press, 1940:1417.
2. Singer C, Underwood EA. A Short History of Medicine. 2nd edn. Oxford: Oxford University Press, 1962:854.
3. Sir William Osler (1849–1919): Physician, Teacher, Historian, Biographer, Bibliophile