Letter to William Osler, November 28, 1872
The rights and duties of science
The rights and duties of science
Letter, undated
Letter, 28 March 1899
Letter, 17 January 1899
Letter, 1898
Letter, 21 December 1898
Letter, 27 November 1898
Letter, 2 November 1898
Letter, 10 October 1898