Letter to Harvey Cushing, April 28, 1920
Letter to (Mrs. Barrett) Edith G. (née Greenough) Wendell, October 8, 1877
Letter to Henry Vining Ogden, May 15, 1882
Letter to Roswell P. Park, April 10, 1882
Letter to Henry Vining Ogden, December 27, 1883
Letter to Edward A. Sharpey Schäfer, November 10, 1883
Letter to Henry Vining Ogden, July 13, 1883
Letter to Henry Vining Ogden, November 10, 1883
Letter to Henry Vining Ogden, May 20, 1884
Letter to Harvey Cushing, May 4, 1925
Letter to Harvey Cushing, May 4, 1925