Letter to Harvey Cushing, November 4, 1921
Letter to Harvey Cushing, May 5, 1926
Letter to Harvey Cushing, May 5, 1926
Letter to Harvey Cushing, July 8, 1925
Letter to Harvey Cushing, July 8, 1925
Letter to Harvey Cushing, July 21, 1925
Letter to Harvey Cushing, July 21, 1925
Letter to Harvey Cushing, July 27, 1925
Letter to Harvey Cushing, July 27, 1925
Letter to Harvey Cushing, March 15, 1926
Letter to Harvey Cushing, March 15, 1926
Letter to Harvey Cushing
Letter to Harvey Cushing, February 16, 1926
Letter to Harvey Cushing, February 16, 1926
Letter to Harvey Cushing, March 16, 1926
Letter to Harvey Cushing, March 16, 1926
Letter to Harvey Cushing, September 17, 1925
Letter to Harvey Cushing, September 17, 1925