History 36,098 Politics and government 10,713 Foreign relations 7,264 Law and legislation 6,743 History and criticism 6,627 Social conditions 6,034 Social aspects 5,822 Government policy 4,715 African Americans 4,599 International relations 4,428 Race relations 3,899 Political aspects 3,814 Economic conditions 3,215 Education 3,097 Women 3,090 Presidents 2,767 Finance 2,543 Prevention 2,503 American literature 2,431 Economic aspects 2,310 Civil rights 2,064 Womyn 1,990 Civilization 1,945 Research 1,902 Intellectual life 1,896 Social life and customs 1,810 Management 1,732 Emigration and immigration 1,730 Legal status, laws, etc 1,730 Criticism and interpretation 1,707 Study and teaching 1,643 Relations 1,613 Economic policy 1,607 Public opinion 1,592 Influence 1,539 World War, 1939-1945 1,515 Medical care 1,485 National security 1,419 Political activity 1,410 Diplomatic relations 1,407 Armed Forces 1,393 Slavery 1,348 Appropriations and expenditures 1,311 Manners and customs 1,304 Employment 1,259 Philosophy 1,235 Motion pictures 1,225 Racism 1,223 Religious aspects 1,222 Indians of North America 1,220 Religion 1,216 Popular culture 1,202 Evaluation 1,176 Jews 1,167 Minorities 1,163 Universities and colleges 1,154 Terrorism 1,090 Immigrants 1,083 Ethnic relations 1,064 Women and literature 1,040 Feminism 1,026 Education, Higher 1,009 American fiction 1,002 Democracy 988 Psychological aspects 977 Military policy 975 Foreign economic relations 960 Description and travel 950 Families 938 Election 935 Political and social views 925 Psychology 914 Moral and ethical aspects 879 Vietnam War, 1961-1975 858 Political culture 851 Law 844 Officials and employees 844 Women authors 843 Music 830 Services for 824 Technological innovations 815 Veterans 812 Biography 806 Taxation 804 Race identity 799 Social policy 795 States 786 Attitudes 781 Campaigns 780 Historiography 780 Labor unions 766 Political participation 754 Church history 743 Working class 722 Constitutional history 718 Constitutional law 713 Environmental aspects 713 English language 710 Literature and society 687 Small business 671