History 646 Social conditions 191 African Americans 178 Politics and government 157 Race relations 118 Social aspects 72 Architecture 66 Buildings, structures, etc 63 History and criticism 50 Indians of North America 46 Antiquities 45 Social life and customs 43 Economic conditions 39 Civil rights 37 Intellectual life 37 City planning 34 Art 33 Education 32 Immigrants 32 Political activity 32 Political aspects 29 Emigration and immigration 28 Ethnic relations 28 Working class 27 Jews 25 Women 24 Ethnic identity 23 Law 22 Mississippian culture 22 Manners and customs 21 American literature 20 Description and travel 20 Police 20 Buildings 19 Elections 19 Homes and haunts 19 Labor movement 19 Murder 19 Urban renewal 19 Art collections 18 Art museums 18 Families 18 Gangs 18 Criticism and interpretation 17 Legislators 17 Regimental histories 17 Riots 17 Social reformers 17 Housing 16 Law reviews 16 Lawyers 16 Minorities 16 Private collections 16 Public housing 16 Childhood and youth 15 Criminals 15 Mexican Americans 15 Migrations 15 Presidents 15 Race identity 15 Womyn 15 Art, American 14 Economic aspects 14 Family 14 Frontier and pioneer life 14 Labor unions 14 Painting 14 Religious aspects 14 Church history 13 Civil rights movements 13 Crime 13 Droit 13 Friends and associates 13 Governors 13 Organized crime 13 Political corruption 13 Skyscrapers 13 Architecture and society 12 Attitudes 12 Community life 12 Excavations (Archaeology) 12 HISTORY / United States / State & Local / Midwest (IA, IL, IN, KS, MI, MN, MO, ND, NE, OH, SD, WI) 12 Law and legislation 12 Political participation 12 Public opinion 12 Religion 12 Schools 12 Sociology, Urban 12 African American women 11 Authors, American 11 Blues (Music) 11 Botany 11 City and town life 11 Cultural assimilation 11 Education, Urban 11 Educational change 11 Exhibitions 11 Geographical distribution 11 Haymarket Square Riot, Chicago, Ill., 1886 11 Mexicans 11