History 750 History and criticism 181 Social aspects 146 Politics and government 120 Criticism and interpretation 113 Philosophy 101 Social conditions 92 Political aspects 78 Government policy 74 Foreign relations 51 Federal government 44 Social life and customs 43 Canadian poetry 40 Women 40 Intellectual life 35 Legal status, laws, etc 34 Economic conditions 32 Economic aspects 31 Indians of North America 30 Emigration and immigration 29 Religion 29 Research 29 Education 28 Influence 28 Nationalism 27 Church history 26 Religious aspects 26 In literature 25 Psychological aspects 25 Technological innovations 25