Memo, 5 December 1887
Copy of letter, 26 November 1888
Copy of letter, 20 November 1888
Copy of letter, 11 December 1888
Copy of letter, 13 November 1889
Letter, 27 January 1891
Letter, 30 September 1870
Letter, 25 August 1881
Letter, 28 February 1883
Letter, 23 March 1883