Letter, 25 May 1892
Letter, 17 January 1895
Letter, 18 January 1895
Letter, 14 June 1882
Letter, 10 March 1882
Letter, 13 January 1882
Letter, 21 December 1881
Letter from C.S. Drummond to B.J. Harrington, written from Winnipeg, thanking Harrington for coal analysis.
Letter from C.S. Drummond to B.J. Harrington, written from Winnipeg.
Letter from J. Hayes Pauton to B.J. Harrington, written from Winnipeg.