Letter, 5 May 1887
Letter, 5 May 1887
Letter, 1 January 1888
Letter, 1 January 1888
Letter, 17 January 1899
Letter, 17 January 1899
Letter, 10 June
Letter, 10 June
Letter, 28 May 1888
Letter, 13 July 1914
Letter, 9 April 1915
Letter from H. G. Vennor to B.J. Harrington regarding the Geological Survey of Canada.
Letter from R.H. Gairdner to B.J. Harrington.
Letter from Frank Packard to B.J. Harrington, written from Montreal.