History 16,363 Politics and government 5,863 International relations 3,831 Foreign relations 3,806 Social conditions 3,084 History and criticism 2,743 African Americans 2,217 more ... Women 2,019 Social aspects 1,975 Womyn 1,908 Race relations 1,858 Economic conditions 1,853 Education 1,659 Presidents 1,435 Political aspects 1,323 American literature 1,232 Civilization 1,185 Law and legislation 1,176 Government policy 1,058 Economic policy 966 Civil rights 955 Intellectual life 929 Social life and customs 918 Economic aspects 856 Relations 833 Manners and customs 829 Public opinion 828 Emigration and immigration 765 World War, 1939-1945 745 Slavery 719 less ...