Letter, 15 April 1874
Letter, 2 March 1875
Letter, 30 November 1875
Letter, 11 May 1875
Letter, 23 November 1875
Letter from Thomas R. Hubbard to B.J. Harrington.
Letter, 31 July 1876
Letter, 22 December 1876
Letter from S. W. Ford to B.J. Harrington regarding obituary of Billings.
Letter from Thomas R. Hubbard to B.J. Harrington.