History 400 Social conditions 83 Politics and government 73 Histoire 65 Education 46 Social life and customs 39 Economic conditions 38 more ... Women 33 Social aspects 32 Frontier and pioneer life 25 Indians of North America 25 Manners and customs 25 Black people 23 Description and travel 22 Economic history 22 Périodiques 22 Government policy 20 City planning 19 Antiquities 18 Biography 18 Ojibwa Indians 18 History and criticism 16 Immigrants 16 Droit 15 Employment 15 Legal status, laws, etc 15 Periodicals 15 Universities and colleges 15 Cities and towns 14 Ethnic relations 14 less ...