History 36,145 Politics and government 10,736 Foreign relations 7,281 Law and legislation 6,753 History and criticism 6,663 Social conditions 6,037 Social aspects 5,824 Government policy 4,732 African Americans 4,587 International relations 4,441 Race relations 3,875 Political aspects 3,830 Economic conditions 3,212 Women 3,104 Education 3,103 Presidents 2,785 Finance 2,545 Prevention 2,508 American literature 2,458 Economic aspects 2,325 Civil rights 2,056 Womyn 1,996 Civilization 1,948 Research 1,907 Intellectual life 1,900 Social life and customs 1,806 Management 1,740 Emigration and immigration 1,730 Legal status, laws, etc 1,726 Criticism and interpretation 1,712 Study and teaching 1,651 Relations 1,615 Economic policy 1,609 Public opinion 1,591 Influence 1,545 World War, 1939-1945 1,519 Medical care 1,491 Diplomatic relations 1,439 National security 1,424 Political activity 1,414 Armed Forces 1,396 Slavery 1,345 Appropriations and expenditures 1,313 Manners and customs 1,312 Employment 1,267 Philosophy 1,236 Religious aspects 1,228 Indians of North America 1,220 Racism 1,217 Motion pictures 1,214 Religion 1,214 Popular culture 1,197 Jews 1,191 Evaluation 1,178 Minorities 1,163 Universities and colleges 1,156 Terrorism 1,090 Immigrants 1,078 Ethnic relations 1,068 Women and literature 1,050 Feminism 1,022 American fiction 1,013 Education, Higher 1,011 Democracy 989 Psychological aspects 979 Military policy 977 Foreign economic relations 964 Description and travel 952 Election 940 Families 939 Political and social views 925 Psychology 916 Moral and ethical aspects 880 Vietnam War, 1961-1975 859 Political culture 853 Women authors 851 Officials and employees 845 Law 844 Music 831 Services for 824 Technological innovations 820 Veterans 814 Taxation 804 Biography 799 Social policy 797 Race identity 795 States 791 Attitudes 784 Campaigns 784 Historiography 782 Labor unions 766 Political participation 757 Church history 744 Environmental aspects 726 Working class 721 English language 718 Constitutional history 716 Constitutional law 714 Literature and society 687 Small business 671