Letter to Harvey Cushing, June 3, 1920(?)
Letter to Harvey Cushing, April 8, 1920
Letter to Harvey Cushing, June 6, 1920
Letter to Harvey Cushing
Letter to Harvey Cushing, May 19, 1920
Letter to Harvey Cushing, April 20, 1920
Letter to Harvey Cushing, April 17, 1920
Letter to Harvey Cushing, August 6, 1920
Letter to Harvey Cushing, April 8, 1920
Letter to Harvey Cushing, April 13, 1920