History 230 Description and travel 99 Politics and government 93 Histoire 61 Emigration and immigration 51 Foreign relations 40 Jews 30 more ... Travel 28 Genealogy 27 Social conditions 20 World War, 1914-1918 20 World War, 1939-1945 19 Civilization 18 Periodicals 18 Politique et gouvernement 18 Commerce 15 Kings and rulers 14 Émigration et immigration 13 Relations 13 Causes 12 Colonies 12 Social life and customs 12 Immigrants 11 Descriptions et voyages 10 Economic conditions 10 Minorities 10 Diplomatic relations 9 Juifs 9 Ukrainians 9 Ethnology 8 Europeans 8 Nobility 8 Population 8 Sources 8 Civilisation 7 German Americans 7 Handbooks, manuals, etc 7 International relations 7 Societies, etc 7 Women 7 less ...