History 1,148 History and criticism 420 Social aspects 416 Political aspects 272 Politics and government 236 Social conditions 184 Philosophy 173 Women 108 Race relations 99 African Americans 94 Economic aspects 90 English literature 85 Feminism 84 Foreign relations 82 Psychological aspects 78 Civilization 73 Social life and customs 71 Economic conditions 67 Research 66 Intellectual life 64 Moral and ethical aspects 59 Popular culture 59 Religious aspects 58 Criticism and interpretation 56 Globalization 55 Methodology 54 Emigration and immigration 53 Race identity 52 Government policy 51 American literature 50