History Emigration and immigration 12 Histoire 9 Politics and government 6 Émigration et immigration 4 Foreign relations 4 Immigrants 4 more ... Campaigns 3 Causes 3 Civilization 3 Einwanderung 3 Jews 3 Public opinion 3 Social conditions 3 Aufsatzsammlung 2 Description and travel 2 Economic conditions 2 Europeans 2 Foreign workers 2 Frontier and pioneer life 2 HISTORY 2 History and criticism 2 Intellectual life 2 Participation, Spanish 2 Political refugees 2 Politique et gouvernement 2 Revolutionary Period (1775-1800) 2 Travailleurs 2 War 2 Working class 2 World War, 1939-1945 2 American literature 1 Americana 1 Amerikabild 1 Américains d'origine allemande 1 Amish 1 Arbeidsmigratie 1 Aristocracy (Social class) 1 Art 1 Art collections 1 less ...