"Geschichte 1600-1977." . . "colonisation Etats-Unis 17e s. / 20e s. (début)" . . "West (U.S.)" . . "Frontier and pioneer life West (United States)" . . "United States, Territorial expansion." . . "Amerika." . . "United States" . . "The West, History." . . . . . . "History of the westward movement"@en . "History of the westward movement" . . . . . . . . . . . . "History of the Westward Movement" . . . . . . . . . . . . . . . . "History"@en . "History" . . . . "The late American historian's final work chronicles the great Western migration, from the first forays in New England's wilderness in the seventeenth century to the full settlement of the Pacific coast." . "History of the movement" . . "United States, West" . . "Frontier and pioneer life , United States." . . "USA" . .