Letter to William Sydney Thayer, November 2, 1918
Letter to William Sydney Thayer, November 19, 1910
Letter to William Sydney Thayer, November 16, 1916
Letter to William Sydney Thayer, November 16, 1912
Letter to William Sydney Thayer, November 14, 1918
Letter to William Sydney Thayer, May 9, 1914
Letter to William Sydney Thayer, May 5, 1914
Letter to William Sydney Thayer, May 4, 1917
Letter to William Sydney Thayer, May 30, 1905
Letter to William Sydney Thayer, March 7, 1917