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 12, 1919
Letter to William Sydney Thayer, October 1, 1912
Letter to William Sydney Thayer, November 30, 1914
Letter to William Sydney Thayer, November 28, 1912
Letter to William Sydney Thayer, November 24, 1909
Letter to William Sydney Thayer, November 20, 1914