Letter, 1 February 1873
Letter, 10 February 1873
Letter, 7 April 1873
Letter from William Ross, M.P., to Alfred Selwyn with reference to samples from Cape Breton.
Letter, 2 May 1874
Letter, 27 September 1875
Letter, 1 December 1875
Letter, 20 November 1875
Letter, 25 October 1875
Letter, 30 December 1875