Copy of letter, 13 November 1889
Copy of letter, 23 February 1881
Copy of letter, 20 February 1882
Copy of letter, 15 April 1882
Copy of letter, 21 April 1882
Copy of letter, 2 April 1884
Copy of letter, 29 October 1884
Copy of letter, 17 April 1887
Memo, 5 December 1887
Copy of letter, 26 November 1888