History 468 Politics and government 376 Slavery 114 African Americans 64 Foreign relations 56 Sermons, American 54 Politique et gouvernement 51 more ... Histoire 49 Revolution 49 Causes 47 Bibliography 45 Colonies 45 Republican 42 American 37 Finance 32 Indians of North America 32 Commerce 31 Railroads 31 Description and travel 30 Sermons 28 Diplomatic relations 27 Yellow fever 26 Relations extérieures 24 Economic conditions 23 Jews 22 Sermons américains 22 Campaign literature 21 Education 21 Sources 21 Communism 20 Controversial literature 20 Genealogy 20 Presidents 20 Tariff 20 American literature 18 Missions 18 Religious aspects 18 World War, 1939-1945 18 Emigration and immigration 17 Labor and laboring classes 17 less ...