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
Letter to Katharine Stone Crowell Cushing, April 15, 1913
Letter to William Osler, August 3, 1911
Letter to William Osler, January 27, 1901
Letter to Harvey Cushing, December 15, 1921
Letter to William Osler, January 26, 1895