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द्वारा Thompson, David, 1770-1857
प्रकाशित 1916 -
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 riversBookद्वारा Henry, Alexander, 1765?-1814
प्रकाशित 1897