History 45 Emigration and immigration 31 Politics and government 23 Foreign relations 16 Genealogy 10 Immigrants 10 Histoire 9 more ... Social conditions 9 Commerce 8 Description and travel 8 Civilization 7 Jews 7 Economic conditions 6 Einwanderung 6 Émigration et immigration 6 Politique et gouvernement 6 Auswanderung 5 Causes 5 Relations 5 Europeans 4 Polish Americans 4 Polish people 4 Public opinion 4 Societies, etc 4 World War, 1939-1945 4 Campaigns 3 Commercial policy 3 Congresses 3 HISTORY 3 Handbooks, manuals, etc 3 History and criticism 3 Social life and customs 3 Sources 3 Travel 3 World War, 1914-1918 3 Américains d'origine allemande 2 Art collections 2 Aufsatzsammlung 2 Bibliography 2 Biography 2 less ...