"Foyer." . . "MobilitĂ  sociale - Stati Uniti d'America - Zone rurali - Congressi - 1963." . . "Familles." . . . . "Mariage." . . "Famiglia - Stati Uniti d'America - Zone rurali - Congressi - 1963." . . "GĂ©ographie de la population." . . "Congressi - Ames, Iowa - 1963." . . . . . . . . . . . . . . . . . . . "Family mobility in our dynamic society" . "Family mobility in our dynamic society"@en . . . . . . . . . . . .