History 877 History and criticism 482 Criticism and interpretation 242 Politics and government 190 Social aspects 177 Social conditions 122 Philosophy 102 Economic conditions 97 Government policy 80 Women 80 English literature 79 Foreign relations 79 Political aspects 75 Intellectual life 72 Influence 51 In literature 48 Law and legislation 43 Social life and customs 41 Historiography 38 English poetry 37 Research 36 Canadian literature 35 Emigration and immigration 33 Civilization 31 Education 30 Indians of North America 30 Moral and ethical aspects 30 Political science 30 Italian literature 29 Motion pictures 29