History 188 Politics and government 61 Emigration and immigration 46 Economic conditions 45 Social aspects 44 Description and travel 43 History and criticism 41 Indians of North America 40 Social conditions 35 Immigrants 28 Women 27 Canadian literature 24 Addresses, essays, lectures 23 Political aspects 21 British 20 Congresses 20 Management 20 Economic aspects 19 Research 17 Foreign relations 16 Government relations 16 Sports 16 Criticism and interpretation 15 Federal government 15 Data processing 14 Social life and customs 14 Testing 14 Colonies 13 Computer networks 13 Economic policy 13