1. Louis DN, Young RH . Keen Minds to Explore the Dark Continents of Disease: A History of the Pathology Services at the Massachusetts General Hospital. Massachusetts General Hospital: Boston, MA, USA, 2011.
2. Young RH, Louis DN . The Warrens and other pioneering clinician pathologists of the Massachusetts General Hospital during its early years: an appreciation on the 200th anniversary of the hospital founding. Mod Pathol 2011;24:1285–1294.
3. Flexner S, Flexner JT . William Henry Welch and the Heroic Age of American Medicine. The Viking Press: New York, NY, USA, 1941, pp 539.
4. Cushing H . William Thomas Councilman. Science 1933;77:613–618.
5. Scully RE, Vickery AL Jr . Surgical pathology at the hospitals of Harvard Medical School. In: Rosai J (ed) Guiding the Surgeon’s Hand. American Registry of Pathology: Washington, DC, USA, 1997.