Letter to John George Adami, (May 1907 ?)
Letter to Frederick T. Gates, May 2, 1907
Letter to Mrs. Charles Daniel Parfitt, December 20, 1906
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(?)