Letter to Francis John Shepherd, May 28, 1875
Letter to Jennette Osler, October 22, 1871(?)
Letter to Harvey Cushing, May 22, 1920
Letter to Harvey Cushing, October 1, 1915
Letter to Harvey Cushing, August 15, 1921
Letter to Harvey Cushing, May 12, 1920
Letter to Harvey Cushing, May 12, 1920
Letter to Harvey Cushing, April 28, 1920
Letter from Robert Palmer Howard, April 1, 1872
Letter to Edward A. Sharpey Schäfer, January 16, 1884
Letter to Henry Barton Jacobs, June 11, 1909