History 36,230 Politics and government 10,745 Foreign relations 7,286 Law and legislation 6,760 History and criticism 6,677 Social conditions 6,056 Social aspects 5,850 Government policy 4,742 African Americans 4,600 International relations 4,442 Race relations 3,886 Political aspects 3,841 Economic conditions 3,219 Women 3,111 Education 3,110 Presidents 2,786 Finance 2,549 Prevention 2,511 American literature 2,463 Economic aspects 2,330 Civil rights 2,057 Womyn 1,996 Civilization 1,950 Research 1,913 Intellectual life 1,907 Social life and customs 1,812 Management 1,744 Emigration and immigration 1,740 Legal status, laws, etc 1,729 Criticism and interpretation 1,715 Study and teaching 1,656 Relations 1,618 Economic policy 1,612 Public opinion 1,597 Influence 1,550 World War, 1939-1945 1,521 Medical care 1,492 Diplomatic relations 1,440 National security 1,426 Political activity 1,420 Armed Forces 1,395 Slavery 1,348 Appropriations and expenditures 1,313 Manners and customs 1,313 Employment 1,270 Philosophy 1,239 Religious aspects 1,231 Indians of North America 1,226 Racism 1,222 Religion 1,216 Motion pictures 1,215 Popular culture 1,198 Jews 1,195 Evaluation 1,179 Minorities 1,165 Universities and colleges 1,163 Terrorism 1,091 Immigrants 1,085 Ethnic relations 1,069 Women and literature 1,052 Feminism 1,026 Education, Higher 1,016 American fiction 1,012 Democracy 992 Psychological aspects 981 Military policy 978 Foreign economic relations 965 Description and travel 954 Election 941 Families 939 Political and social views 926 Psychology 919 Moral and ethical aspects 884 Vietnam War, 1961-1975 860 Political culture 854 Women authors 853 Officials and employees 847 Law 842 Music 832 Services for 826 Technological innovations 820 Veterans 814 Taxation 804 Biography 801 Race identity 799 Social policy 799 States 791 Attitudes 788 Historiography 786 Campaigns 785 Labor unions 771 Political participation 757 Church history 744 Environmental aspects 728 Working class 724 English language 719 Constitutional history 716 Constitutional law 714 Literature and society 687 Small business 671