Letter to William Osler, January 23, 1918
Letter to William Osler, January 26, 1918
Letter to William Osler, January 28, 1918
Letter to William Osler
Letter to William Osler, July 29, 1918
Letter to William Osler, August 14, 1915
Letter to William Osler, January 31, 1918
Letter to William Osler, January 31, 1918
Letter to William Osler, February 13, 1918
Letter to William Osler, February 15, 1918