History 404 Politics and government 126 History and criticism 113 Social aspects 112 Social conditions 99 Philosophy 82 Foreign relations 72 Political aspects 67 Education 64 African Americans 44 Moral and ethical aspects 44 Criticism and interpretation 42 Globalization 38 Psychological aspects 35 Race relations 35 Study and teaching 32 Mass media 31 Women 31 Civilization 30 Psychology 30 Presidents 29 Religious aspects 28 Economic aspects 27 Economic conditions 27 Political science 27 Government policy 24 Prevention 24 Civil rights 22 Influence 22 Intellectual life 21