Letter to Harvey Cushing, April 17, 1920
Letter to Harvey Cushing, April 1, 1920
Letter to Harvey Cushing, August 25, 1925
Letter to Harvey Cushing, August 25, 1925
Letter to Harvey Cushing, December 28, 1925
Letter to Harvey Cushing, December 28, 1925
Letter to Harvey Cushing, September 24, 1925
Letter to Harvey Cushing, September 24, 1925
Letter to Harvey Cushing, September 2, 1925
Letter to Harvey Cushing, September 2, 1925
Letter to Harvey Cushing, September 12, 1925
Letter to Harvey Cushing, September 12, 1925
Letter to Harvey Cushing, June 30, 1925
Letter to Harvey Cushing, June 30, 1925
Letter to Harvey Cushing, January 31, 1926
Letter to Harvey Cushing, January 31, 1926