History 12,368 Politics and government 3,165 Social aspects 2,370 History and criticism 2,334 Social conditions 2,056 Foreign relations 1,968 Political aspects 1,657 Law and legislation 1,638 Government policy 1,512 African Americans 1,351 Race relations 1,299 Research 1,239 Education 1,078 Presidents 935 American literature 899 Economic conditions 841 Economic aspects 821 Prevention 804 Study and teaching 747 Intellectual life 717 Civil rights 707 Evaluation 673 Women 630 Influence 627 Emigration and immigration 570 Public opinion 560 Civilization 546 Criticism and interpretation 544 Philosophy 530 Legal status, laws, etc 515 Social life and customs 515 World War, 1939-1945 514 Management 510 Medical care 508 Religious aspects 508 Finance 499 Political activity 488 National security 468 Relations 453 Campaigns 452 Motion pictures 443 Military policy 440 Popular culture 438 Ethnic relations 434 Racism 433 Immigrants 432 Standards 427 Religion 419 Minorities 415 Technological innovations 415 Education, Higher 410 Moral and ethical aspects 404 Political and social views 396 Universities and colleges 394 Terrorism 388 American fiction 386 Science 380 Economic policy 379 Jews 379 Armed Forces 376 Psychological aspects 370 Soldiers 366 English language 362 Environmental aspects 356 Psychology 355 Study and teaching (Higher) 346 Political culture 342 Biography 336 Democracy 331 Rhetoric 330 Women and literature 330 Election 318 Law 315 Employment 312 Indians of North America 312 Histoire 308 Constitutional law 307 Christianity 305 Mass media 304 Slavery 287 Attitudes 286 Women authors 284 Literature and society 278 Race identity 272 Social policy 270 States 268 Historiography 262 Planning 258 Ethnic identity 254 Educational change 248 International relations 248 Church history 245 Cold War 244 Vietnam War, 1961-1975 243 Civil rights movements 238 Legislators 236 Services for 236 Administration 232 Older people 232 Conservatism 230