Letter to William Osler, November 30, 1918
Letter to William Osler, October 14, 1918
Letter to William Osler, August 19, 1918
Letter, 2 September 1893
Letter, 2 August 1893
Letter, 10 April 1881
Letter, 24 March 1881
Letter to Grace Revere Osler, May 9, 1913
Letter to Katharine Stone Crowell Cushing, May 2, 1913
Letter to Lawrence C. Wroth, April 16, 1913