Letter from R.W. Ells to B.J. Harrington, written from Ottawa.
Letter from R.W. Ells to B.J. Harrington, written from Ottawa.
Letter, 23 November 1886
Letter, 27 January 1887
Letter, 18 January 1887
Letter, 17 January 1889
Letter, 23 December 1889
Letter, 8 January 1889
Letter, 7 March 1890
Letter from R.W. Ells to B.J. Harrington, written from Ottawa. Written on Geological & Natural History Survey letterhead.