Letter to Maude E. Abbott, 1902(?)
Letter to Sigmund Adolphus Knopf, October 31, 1908
Letter to Harvey Cushing, February 11, 1921
Letter to Mr. N., October 25, 1875
Letter to Harvey Cushing, April 14, 1921
Letter to William Osler, August 24, 1885
Letter to William Osler, August 24, 1885(?)
Letter to Jennette Osler, ca.1875
Letter to Henry Vining Ogden, November 10, 1883
Letter to Henry Vining Ogden, August 20, 1883