Letter to Harvey Cushing, April 17, 1920
Letter to Henry Vining Ogden, November 18, 1885
Letter to Henry Vining Ogden, 1887(?)
Letter, 20 December 1871
Letter, 24 July 1872
Letter, 10 March 1869
Letter, 26 July 1876
Letter, 17 May 1877
Letter, 24 June 1883
Letter, 24 January 1879