Letter, 3 March 1871.
Letter, 8 September 1881
Letter, 6 November 1872
Letter, 19 August 1871
Letter, 8 June 1877
Letter, 4 May 1883
Letter from A.B. Veliume of Laval University to B.J. Harrington regarding a medal in the collection of the Natural History Society.
Letter, 13 February 1877
Letter, 4 April 1887
Letter, 9 April 1880