Copy of letter, 20 February 1882
Copy of letter, 20 November 1883
Copy of letter, 20 November 1888
Copy of letter, 21 April 1882
Copy of letter, 21 December 1886
Copy of letter, 21 March 1884
Copy of letter, 22 March 1886
Copy of letter, 23 February 1881
Copy of letter, 23 September 1881
Copy of letter, 26 November 1888