Letter from H. G. Vennor to B.J. Harrington regarding the Geological Survey of Canada.
Letter from T. Sterry Hunt to B.J. Harrington.
Letter from Professor Bailey relating to alterations in Geological Survey of Canada reports.
Letter from R. Forsyth to B.J. Harrington.
Letter from Wm.J. Patterson to B.J. Harrington, written from Montreal. On Board of Trade Office letterhead with accompanying document of petroleum statistics.