History 648 History and criticism 213 Social aspects 103 Politics and government 88 Education, Higher 65 Universities and colleges 54 Social conditions 49 English literature 48 Criticism and interpretation 47 Political aspects 44 Philosophy 41 Intellectual life 38 Economic aspects 37 Social life and customs 36 Administration 34 Foreign relations 33 Moral and ethical aspects 33 Research 33 Women 31 Literature and society 30 Religious aspects 30 Technological innovations 28 English fiction 26 American literature 24 Romanticism 24 Influence 23 Prevention 23 Democracy 22 Education 22 Psychological aspects 22