History 6,404 History and criticism 2,049 Politics and government 993 Social conditions 647 Criticism and interpretation 613 Social aspects 509 Intellectual life 463 Political aspects 462 World War, 1939-1945 415 African Americans 406 Race relations 351 American literature 295 Foreign relations 293 Social life and customs 289 American poetry 264 Influence 264 Civil rights 238 Motion pictures 228 Jews 221 Modernism (Literature) 220 Philosophy 215 Women 214 World War, 1914-1918 209 Economic conditions 204 Political activity 203 Ethnic relations 202 Authors, American 196 American fiction 183 In literature 177 Women authors 175