Letter to Harvey Cushing, September 2, 1920
Letter to Harvey Cushing, July 12, 1921
Letter to Harvey Cushing, May 17, 1925
Letter to Harvey Cushing, May 17, 1925
Letter to Harvey Cushing, July 14, 1921
Letter from William Osler, March 18, 1878
Letter to Henry Vining Ogden, May 20, 1884
Letter to William Osler, October 25, 1872
Letter to Henry Vining Ogden, April 16, 1882
Letter to Henry Vining Ogden, May 15, 1882
Letter to Henry Vining Ogden, November or December, 1879