History Emigration and immigration 16 Histoire 14 Jews 14 Jews, East European 14 Ethnic relations 13 Europeans 12 more ... Indians of North America 10 First contact with Europeans 9 Immigrants 8 Discovery and exploration 7 Societies, etc 7 Civilization 6 European Americans 6 Émigration et immigration 5 Archival resources 4 Balts (Indo-European people) 4 Commerce 4 East European Americans 4 European 4 Religious aspects 4 Social conditions 4 Annexation to the Soviet Union 3 Discoveries in geography 3 Education 3 European influences 3 First contact with other peoples 3 Foreign relations 3 Indian women 3 Indo-European philology 3 Jews, Russian 3 Pietism 3 Politics and government 3 Public opinion 3 Public schools 3 Relations 3 Semitic philology 3 Algonquian Indians 2 Aliments 2 Antiquities 2 less ...