Letter to William Sydney Thayer, September 4, 1914
Letter to William Sydney Thayer, September 27, 1905
Letter to William Sydney Thayer, September 25, 1914
Letter to William Sydney Thayer, September 12, 1919
Letter to William Sydney Thayer, September 11, 1914
Letter to William Sydney Thayer, October 26, 1905
Letter to William Sydney Thayer, October 22, 1912
Letter to William Sydney Thayer, October 16, 1914
Letter to William Sydney Thayer, October 14, 1910
Letter to William Sydney Thayer, October 1, 1912