Letter to Francis John Shepherd
Letter to Mrs. Henry P. Bowditch, May 11, 1913
Letter to Henry Barton Jacobs, August 19, 1910
Letter to Mabel Brewster, August 16, 1910
Letter to Edward F. Milburn, June 7, 1909
Letter to William Sydney Thayer, 1900(?)
Letter to John H. Musser, 1900
Letter to William Sydney Thayer, September 1898
Letter to Henri Amédée Lafleur, July 3, 1898
Letter to Daniel Coit Gilman, July 2, 1898