Letter from C.S. Drummond to B.J. Harrington, written from Winnipeg.
Letter from C.S. Drummond to B.J. Harrington, written from Winnipeg, thanking Harrington for coal analysis.
Letter from David Rodger to B.J. Harrington, written from Winnipeg.
Letter from J. Hayes Pauton to B.J. Harrington, written from Winnipeg.
Letter, March 1883
Letter, 10 March 1882
Letter, 11 June 1887
Letter, 12 December 1921
Letter, 12 February 1879
Letter, 12 July 1891