Letter to Edward F. Milburn, December 16, 1906
Letter to John George Adami, December 15, 1906
Letter to Charles Nicoll Bancker Camac, December 15, 1906
Letter to Harvey Cushing, August 14, 1922
Letter to Harvey Cushing, August 10, 1922
Letter to William Osler, December 7, 1895?)
Letter to Charlotte Osler, November 15, 1900(?)
Letter to William Sydney Thayer, 1900(?)
Letter to John H. Musser, 1900
Letter to Charlotte Osler, July 6, 1900(?)