Memo, 5 December 1887
Letter, 29 July 1887
Letters, 1888
Letters, 1888
Copy of letter, 7 February 1888
Copy of letter, 26 November 1888
Copy of letter, 20 November 1888
Copy of letter, 11 December 1888
Letters, 1889
Letters, 1889
Copy of letter, 14 July 1889
Copy of letter, 13 November 1889