Letter to William Sydney Thayer, December 28, 1905
Letter to William Sydney Thayer, June 22, 1911
Letter to William Sydney Thayer, October 31, 1901
Letter to William Sydney Thayer, December 31, 1913
Letter to William Sydney Thayer, November 19, 1910
Letter to William Sydney Thayer, 1900(?)
Letter to William Sydney Thayer, 1902
Letter to William Sydney Thayer, October 30, 1908
Letter to William Sydney Thayer, July 27, 1902
Letter to William Sydney Thayer, August 6, 1904