Letter to Harvey Cushing, March 22, 1921
Letter to Henry Vining Ogden, August 3, 1892
Letter to Henry Vining Ogden, June 8, 1899
Letter to William Osler, January 23, 1900
Letter to J. William White, 1900
Letter to William Osler, July 6, 1907
Letter to William Sydney Thayer, July 24, 1894(?)
Letter to William Sydney Thayer, 1894
Letter to Grace Revere Osler, July 22, 1898
Letter to Francis R. Packard, August 19, 1903