Letter, 1876
Letter, 28 July 1876
Letter, 1876
Letter, 2 August 1876
Letter, 4 August 1876
Letter from A.R.C. Selwyn to B.J. Harrington.
Letter from J. Wennistoun to B.J. Harrington.
Letter from Thomas R. Hubbard to B.J. Harrington.
Letter from S. W. Ford to B.J. Harrington regarding obituary of Billings.
Letter from A.B. Veliume of Laval University to B.J. Harrington regarding a medal in the collection of the Natural History Society.