Letter from John William Dawson to B.J. Harrington, written at McGill College.
Letter, 12 April 1872
Letter, May 1877
Letter, July 1881
Letter, June 1883
Letter, 3 July 1885
Letter, 5 July 1894
Letter, 19 June 1894
Letter, 22 June 1894
Letter, 11 July 1894