Letter to Harvey Cushing, July 22, 1921
Letter to Harvey Cushing, February 9, 1925
Letter to Harvey Cushing, February 9, 1925
Letter to Harvey Cushing, May 27, 1925
Letter to Harvey Cushing, May 27, 1925
Letter to Harvey Cushing,
Letter to Harvey Cushing,
Letter to Harvey Cushing, July 4, 1925
Letter to Harvey Cushing, July 4, 1925
Letter to Harvey Cushing, September 1, 1925
Letter to Harvey Cushing, September 1, 1925
Letter to Harvey Cushing, April 20, 1920
Letter to Harvey Cushing, April 20, 1921
Letter to Harvey Cushing, July 7, 1921
Letter to Harvey Cushing, June 30, 1920