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, 16 January 1872
Letter, 18 January 1872
Letter, 28 January 1872
Letter, 20 August 1872
Letter, 12 April 1872
Letter from T. Sterry Hunt to B.J. Harrington regarding Hunt's retirement from the Geological Survey of Canada and Bernard's taking his position.
Letter from Alfred Selwyn confirming Bernard's appointment to the Geological Survey of Canada.
Letter from L. W. Bailey on geology.