Letter, 9 June 1896
Letter, 3 January 1908
Letter, 8 July 1903
Letter, 8 July 1903
Letter, 3 August 1887
Letter, 4 June 1870
Letter, 15 April 1888
Letter to Fielding Hudson Garrison, July 5, 1916
Letter to Thomas Clifford Allbutt, April 1, 1919
Letter to Frederick Parkes Weber, July 1, 1918
Letter to John Young Walker MacAlister, October 1, 1919