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Map of the North-West Territory of the Province of Canadafrom actual survey during the years 1792 to 1812cartographic materialحسب Thompson, David, 1770-1857
منشور في 1916 -
حسب Nisbet, Jack, 1949-
منشور في 1994 -
David Thompson and the Lewis and Clark Expedition;an unpublished account of the Lewis and Clark ExpeditionBookحسب Lewis, Meriwether, 1774-1809
منشور في 1959 -
New light on the early history of the greater NorthwestThe manuscript journals of Alexander Henry and of David Thompson 1799-1814 Exploration and adventure among the Indians on the Red Saskatchewan Missouri and Columbia riversBookحسب Henry, Alexander, 1765?-1814
منشور في 1897