Letter, 18 September 1876
Letter from Thomas Anderson to B.J. Harrington regarding Paris Exposition universelle.
Letter, 14 March 1877
Letter, 9 April 1877
Letter, 23 February 1877
Letter, 19 June 1877
Letter, 16 August 1877
Letter, 3 October 1877
Letter, 6 October 1877
Letter, 12 October 1877