Copies of letter, 9 June 1887
Copies of letter, 9 June 1887
Copy of a letter addressed to Prof. George Gabriel Stokes, President of the Royal Society
Copy of letter from William Dawson
Copy of letter, 1 September 1876
Copy of letter, 9 December 1846
Envelope with notes
Envelope, 1 July 1868
Envelope, 14 October 1886
Envelope, 1897
Envelope, 4 September 1870
Envelope, 4 September 1870