History 486 Politics and government 392 Slavery 119 African Americans 64 Foreign relations 56 Politique et gouvernement 55 Sermons, American 54 more ... Histoire 52 Revolution 49 Republican 48 Causes 47 Bibliography 46 Colonies 45 American 37 Indians of North America 34 Railroads 34 Commerce 32 Finance 32 Description and travel 30 Genealogy 30 Sermons 28 Diplomatic relations 27 Yellow fever 27 Jews 26 Relations extérieures 24 Campaign literature 23 Economic conditions 23 Education 22 Sermons américains 22 Presidents 21 Sources 21 Communism 20 Controversial literature 20 Emigration and immigration 20 Slave trade 20 Tariff 20 World War, 1939-1945 20 American literature 19 Societies, etc 19 Church history 18 less ...