Letter to Harvey Cushing, December 28, 1919
Letter to Harvey Cushing, December 10, 1919
Letter to Harvey Cushing, December 28, 1919
Letter to Harvey Cushing, November 3, 1919
Letter to Harvey Cushing, June 4, 1919
Letter to Harvey Cushing, April 27, 1919
Letter to Harvey Cushing, April 14, 1919
Letter to Harvey Cushing, March 24, 1919
Letter to Harvey Cushing, March 13, 1919
Letter to Harvey Cushing, March 28, 1917