"Frontier and pioneer life United States." . . "Frontier and pioneer life, United States." . "Frontier and pioneer life." . . "Violencia Estados Unidos s.XIX." . . "United States." . . . . . . . . . . . "Frontier violence" . "Frontier violence"@en . . . . . . . . . . . "Frontier violence another look" . . . . . "History" . "History"@en . "Frontier violence; another look" . "Frontier violence; another look"@en . . "Frontier violence : another look" . . . . . . . . . . . . . . . . . "Frontier violence : Another look" . . . . . . . . "Geschiedenis (vorm)" . . . . "Violence History United States." . . "expansion territoriale violence Etats-Unis - ouest." . . "Violence." . . "Westen (Verenigde Staten)" . . "Historia Estados Unidos s.XIX." . . "Violence, United States, History." . . "Vie des pionniers États-Unis." . . . . "Violence Histoire États-Unis." . . "Gewalt." . . "Violence États-Unis Histoire." . . "USA." . . "Frontier." . . "Geweld." . . "Pionniers États-Unis." . . "Geschichte 1800-1900." . . "Frontier." . . "Sozialgeschichte 1800-1900." . . "Vida de pioneros Estados Unidos s.XIX." . .