Letter to Harvey Cushing, July 1, 1919
Letter to Harvey Cushing, January 7, 1916
Letter to Harvey Cushing
Letter to Harvey Cushing
Letter to Harvey Cushing, September 1921
Letter to Harvey Cushing, September 7, 1907
Letter to Harvey Cushing, January 6, 1915
Letter to Harvey Cushing, January 13, 1913
Letter to Harvey Cushing, November 4, 1921
Letter to Harvey Cushing