Letter from R. Ramsay Wright to B.J. Harrington, written from Toronto.
Letter from Otto Hahn to B.J. Harrington, written from toronto.
Letter from William H. Pike to B.J. Harrington, written from Toronto.
Letter from A. Blue, written from Toronto.
Letter from W.H. Ellis to B.J. Harrington, written from Toronto.
Letter from A.P. Coleman to B.J. Harrington, written from Toronto.
Letter from W. Lash Miller to B.J. Harrington, written from Toronto. Written on University of Toronto letterhead.
Letter, 24 December 1870
Letter, 17 January 1871
Letter, 20 January 1871