Arnold Toynbee
Circular letter, September 9, 1914
Cushing's notes, 1908
Cushing's notes, August 19, 1920
Cushing's notes, November 1, 1918
Letter from E.F. Smart, November 29, 1919
Letter from E.F. Smart, October 16, 1919
Letter from Sir John Burdon Sanderson, August 2, 1884
Letter from William Osler, February 21, 1918
Letter from William Osler, July 7, 1905