Memo, 5 December 1887
Letter, 5 March 1880
Letter, 4 April 1887
Letter, 23 December 1875
Letter, 16 April 1887
Copy of letter, 6 May 1887
Copy of letter, 29 October 1884
Copy of letter, 26 November 1888
Copy of letter, 23 February 1881
Copy of letter, 22 March 1886