Cushing's notes, (July-December 1919)
Letter to Harvey Cushing, April 22, 1926
Letter to Harvey Cushing, April 22, 1926
Letter to John Young Walker MacAlister, October 1, 1919
Cushing's notes, 1914
Letter to Frederick Parkes Weber, July 1, 1918
Cushing's notes, 1919
Letter to Mabel Brewster, July 3, 1917
Cushing's notes, 1918
Letter to Daniel Smith Lamb, July 2, 1912
Cushing's notes, 1909