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In a great unknown land : exploration in the 'Barren Ground' of the West
Travel and colonisation : the exploration of the barren grounds
Letter to J.B. Tyrrell, 1893/04/19
Letter to J.B. Tyrrell, 1893/05/09
Letter to J. B. Tyrrell, 1894/04/20
The Barren Lands : the Tyrrell brothers' interesting trip of exploration