Letter from R.W. Raymond to B.J. Harrington, written from New York.
Letter from R.W Raymond to B.J. Harrington, written from New York.
Letter from S. Braeunlich of the Scientific Publishing Company to B.J. Harrington, written from New York. Letter regarding a French edition of Dr. Hunt's Systematic Mineralogy.
Letter from S. W. Ford to B.J. Harrington regarding obituary of Billings.
Letter from S.W. Ford to B.J. Harrington.
Letter from Thomas R. Hubbard to B.J. Harrington.
Letter from Thomas R. Hubbard to B.J. Harrington.
Letter from Thos. Egleston to B.J. Harrington, written from New York.
Letter from Thos. Egleston to B.J. Harrington, written from New York.