Letter to Agnes, January 1860
Letter, 30 April 1879
Memorandum, 4 September 1879
Letter, 10 December 1879
Letter, 22 December 1879
Letter, 5 March 1880
Copy of letter, 23 February 1881
Letter, 9 January 1892
Letter, 28 January 1882
Letter, 17 January 1882