History 4,181 Politics and government 1,071 Social aspects 782 Foreign relations 762 History and criticism 745 Social conditions 619 Political aspects 543 more ... African Americans 418 Race relations 393 Presidents 295 Government policy 288 American literature 285 Law and legislation 241 Economic conditions 211 Intellectual life 208 Women 207 Influence 199 Political activity 196 Emigration and immigration 191 Civil rights 186 Economic aspects 181 Motion pictures 181 Relations 179 Social life and customs 175 Criticism and interpretation 173 Public opinion 172 Civilization 166 Religious aspects 162 World War, 1939-1945 161 Philosophy 151 less ...