Letter to Cottesloe, October 3, 1919
Letter to John Young Walker MacAlister, January 4, 1918
Letter to Max Neuburger, July 2, 1919
Letter to William Longworth Wainwright, July 25, 1914
Letter to Leonard L. Mackall, January 3, 1919
Letter to Mabel Brewster, January 4, 1915
Letter to Simon Flexner, July 7, 1915
Letter to Edward F. Milburn, January 5, 1914
Letter to Hunter Robb, (July 8, 1918 ?)
Letter to Edward Clark Streeter, January, 1917