"Northwest, Old" . . "Frontier." . . "États-Unis (ouest)" . . "1815 - 1861" . . "Estados Unidos" . . "Indiana historical society (Indianapolis, U.S.A.)" . . "Noroeste antiguo (Estados Unidos)" . . "Middle West" . . "1775 - 1865" . . . . . . . . . . . . . "The old northwest pioneer period 1815-1840" . "The old Northwest : pioneer period, 1815-1840"@en . "The old Northwest : pioneer period, 1815-1840" . . . . . . . . . . . . . . . . "The Old Northwest pioneer period 1815-1840" . "The Old Northwest; pioneer period, 1815-1840"@en . . . . . . "The old Northwest : pioneer period, 1815-1840. Vol 2"@en . . . . . . "The old Northwest pioneer period : 1815-1840" . . . . . . . . . . "The Old Northwest : pioneer period, 1815-1840" . "The Old Northwest : pioneer period, 1815-1840"@en . "The old northwest : pioneer period, 1815-1840" . . . . . . . . . "History"@en . . "History" . . . . . . . "The Old Northwest pioneer period, 1815-1840" . "The Old Northwest pioneer period, 1815-1840"@en . . . . . "The old Northwest : pionner period, 1815-1840" . "The Old Northwest pioneer period 1815-1840. Vol. 1-2. [1950] : (2.print.)" . "The old Northwest pioneer period, 1815-1840" . . "The old northwest : pioneer period, 1815-1840 in two vols"@en . . . . "Noordwest-Verenigde Staten." . . "Northwest, Old, History, 1775-1865." . . "Geschichte (1815-1840)" . . "United States, Wisconsin" . . "United States, Northwest (Old)" . . "United States, Michigan" . . "United States, Ohio" . . "Old Northwest History 1775-1865." . . "United States" . . "United States, Illinois" . . "United States, Indiana" . . "Mittlerer Westen (Ost)" . .