Letter to Henry Vining Ogden, November 10, 1883
Notes from Osler's diary, 1884, March - December 1884
Cushing's notes on Dr. Welch, 1884
Statement obtained from Dr. Minis Hays, 1884
Letter to Henry Vining Ogden, May 20, 1884
Notice from Philadelphia Medical News, 1884
Letter to William Osler, July 10, 1884
Letter to James Tyson, August 6, 1884
Letter to Henry Vining Ogden, June 18, 1884
Cushing's notes, Osler at McGill, 1884-87