Letter, 21 January 1896
Letter, 21 March 1896
Letter, 9 June 1896
Letter, 3 January 1908
Letter, 26 December 1897
Letter, 13 December 1899
Letter to Harvey Cushing
Letter to Harvey Cushing
Letter to Henry Barton Jacobs
Letter to Henry Barton Jacobs
Letter to Henry Barton Jacobs
Letter to Henry Barton Jacobs
Letter to Henry Barton Jacobs