Letter to William Osler, (ca July 12, 1919)
Letter to William Osler, October 14, 1918
Letter to William Osler, August 19, 1918
Letter to William Osler, November 30, 1918
Letter to William Osler, December 19, 1918
Letter to William Osler, April 20, 1917
Letter to William Osler, January 28, 1916
Letter to William Osler
Letter to William Osler, August 3, 1911
Letter to William Osler, June 3, 1908