Letter to Arthur T. Hadley, September 13, 1914
Letter to Campbell Palmer Howard, October 29. 1905
Letter to Charles Nicoll Bancker Camac
Letter to Charlotte (Chattie, Mrs. Charles Gwyn) Osler, December 31, 1919
Letter to Edward Theodore Witington, (ca November 1919)
Letter to Harvey Cushing, September 1921(?)
Letter to Henry Barton(?) Jacobs
Letter to Henry Barton Jacobs, December 30, 1919
Letter to Henry Barton Jacobs, December 31, 1919
Letter to Henry Barton Jacobs, March 27, 1911