History 6,814 History and criticism 1,393 Politics and government 1,202 Social conditions 826 Social aspects 581 Intellectual life 543 African Americans 540 更多 ... Race relations 540 Political aspects 503 World War, 1939-1945 446 Criticism and interpretation 392 Social life and customs 343 Civil rights 333 Foreign relations 311 Diplomatic relations 301 Political activity 293 Manners and customs 280 Jews 279 Motion pictures 276 Histoire 275 American literature 268 Women 246 Ethnic relations 242 Civil rights movements 231 Literature 221 Influence 218 Economic conditions 217 Influence (Literary, artistic, etc.) 196 Civilization 185 In literature 183 少 ...