Letter from Nalder Bros. & Co. to B.J. Harrington, written from London E.C..
Letter from Geo. Brush to B.J. Harrington, written from Montreal.
Letter from Hopper & Co. Irwin to B.J. Harrington, written from Montreal, requesting analysis of silver mine on Kootenay Lake in British Columbia.
Typewritten letter from L. Geo English & Co. to B.J. Harrington, written from Philadelphia, offering molybdenite for sale.
Letter from R.W. Ells to B.J. Harrington, written from Ottawa. Written on Geological & Natural History Survey letterhead.
Letter from "Army" to "Burney" (B.J. Harrington), written from Montreal.
Letter from Tom Hunsley to B.J. Harrington.
Letter from Theo. D. Rand to B.J. Harrington.
Letter from H.R. Ives & Co. to B.J. Harrington.
Letter from Daniel Wilson to B.J. Harrington.