Letter to Harvey Cushing, July 15, 1921
Letter to Harvey Cushing, April 21, 1920
Letter to Harvey Cushing, September 24, 1925
Letter to Harvey Cushing, September 24, 1925
Letter to Harvey Cushing, September 9, 1925
Letter to Harvey Cushing, September 9, 1925
Letter to Harvey Cushing, January 25, 1926
Letter to Harvey Cushing, January 25, 1926
Letter to Harvey Cushing, January 13, 1926
Letter to Harvey Cushing, January 13, 1926
Letter to Harvey Cushing, January 11, 1926
Letter to Harvey Cushing, January 11, 1926
Letter to Harvey Cushing, July 3, 1925
Letter to Harvey Cushing, July 3, 1925
Letter to Harvey Cushing, June 25, 1925
Letter to Harvey Cushing, June 25, 1925
Letter to Harvey Cushing, June 14, 1925
Letter to Harvey Cushing, June 14, 1925