History 6,893 History and criticism 1,419 Politics and government 1,212 Social conditions 830 Social aspects 589 Intellectual life 549 African Americans 544 hơn ... Race relations 544 Political aspects 508 World War, 1939-1945 450 Criticism and interpretation 397 Social life and customs 344 Civil rights 334 Foreign relations 313 Diplomatic relations 303 Political activity 294 Jews 288 Motion pictures 282 Manners and customs 281 American literature 272 Histoire 270 Ethnic relations 248 Women 248 Civil rights movements 232 Literature 223 Influence 222 Economic conditions 219 Influence (Literary, artistic, etc.) 202 Civilization 189 In literature 184 ít hơn ...