Letter, 16 December 1868
Letter, 16 March 1882
Letter, 16 May 1885
Letter, 16 May 1885
Letter, 17 April 1888
Letter, 18 December 1875
Letter, 18 February 1869
Letter, 1875
Letter, 1875
Letter, 19 August 1869
Letter, 19 December 1871
Letter, 19 October 1885
Letter, 19 October 1885