Letter to Harvey Cushing
Letter to Harvey Cushing, May 28, 1917
Letter to Harvey Cushing, March 28, 1917
Letter to Harvey Cushing, January 29, 1916
Letter to Harvey Cushing, January 7, 1916
Letter to Harvey Cushing, August 30, 1915
Letter to Harvey Cushing, January 6, 1915
Letter to Harvey Cushing, September 2, 1919
Letter to Harvey Cushing, June 4, 1919
Letter to Harvey Cushing, April 27, 1919