Letter, 28 July 1884
Letter, 28 July 1884
Receipt, 16 January 1885
Receipt, 16 January 1885
Letter, 21 September 1885
Letter, 21 September 1885
Letter from C.S. Drummond to B.J. Harrington, written from Winnipeg, thanking Harrington for coal analysis.
Letter, 13 June 1887
Letter, 11 June 1887
Letter, 22 March 1887
Letter, 27 June 1887
Letter, 17 September 1889
Letter, 12 July 1891