Letter to Grace Revere Osler, May 9, 1913
Letter to Harvey Cushing
Letter to Harvey Cushing
Letter to Harvey Cushing, December 15, 1921
Letter to Harvey Cushing, June 2, 1920
Letter to Harvey Cushing, June 28, 1920
Letter to Harvey Cushing, March 19, 1921
Letter to Harvey Cushing, November 4, 1921
Letter to Henri Amédée Lafleur, May 6, 1903
Letter to Henri Amédée Lafleur, November 14, 1903