Letter, November 8, 1916
Letter, November 8, 1916
Letter to William Osler, September 5, 1916
Letter to William Osler, May 31, 1917
Letter to William Osler, June 20, 1917
Letter to William Osler, January 4, 1918
Letter to William Osler, January 31, 1918
Letter to William Osler, July 27, 1918
Letter to William Osler, July 29, 1918
Letter to William Osler, September 7, 1918
Letter to William Osler, January 28, 1919