1. 2. J. Warkentin, The Western Interior of Canada: a record of Geographical discovery, 1612-1917 (McClelland and Stewart, 1964 ), pp.91 -105 .
2. 3. W. H. Keating, Narrative of an Expedition to the Source of St. Peter's River, Lake Winnepeck, Lake of the Woods, etc. 1823 (Ross and Haines, 1959 ), II , pp.98 -100 .
3. 4. E. E. Rich, A Journal of a voyage from Rocky Mountain Portage in Peace River to the sources of Finlays Branch and North West Ward, 1824 (Hudson's Bay Record Society, 1955 ), pp.209 -10 .