Letter to John Collins Warren, October 16, 1918
Letter to Grace Revere Osler, September 21, 1918
Letter to William Osler, September 7, 1918
Letter to William Osler, July 29, 1918
Letter to William Osler, July 27, 1918
Letter to William Osler, July 24, 1918
Letter to William Osler, April 1, 1919
Letter to William Osler, March 27, 1919
Letter to William Osler, March 5, 1919
Letter to William Osler, March 5, 1919