Letter from John Usborne to B.J. Harrington, written from Arnprior.
Letter from Alfred Clarke to B.J. Harrington, written from New York.
Copy of letter from B.J. Harrington to Percival W. St. George.
Letter from Frank Packard to B.J. Harrington, written from Montreal.
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 W. Lash Miller to B.J. Harrington, written from Toronto. Written on University of Toronto letterhead.