Letter to Editor of the London Times, August 13, 1913
Letter to Mabel Brewster, April 22, 1914
Letter to Thomas Archibald (?) Malloch, July 29, 1915
Letter to Henry V. Ogden, January 26, 1916
Letter to Susan Revere Chapin, May 19, 1916
Letter to Louisa Loring, November 5, 1916
Letter to Marian and Jennette Osler Francis, August 28, 1872(?)
Letter to Charlotte (Chattie) Osler (Mrs. Charles Gwyn), February 16, 1873(?)
Letter to Margaret E. Charlton, June 28, 1901
Letter to Lawrason Brown, July 23, 1901