. . . . . . . . . . . . . "Electronic books"@en . . "America and Europe"@en . "America and Europe" . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . "To 1865" . . "America" . . . . "Civilization." . . "Europe" . . "Travel history." . . "États-Unis" . . "Social Conditions history." . . "United States" . . "United States." . "Social conditions" . . "Travel." . . "Civilization history." . .