History 147 Social conditions 48 African Americans 24 Economic conditions 23 Ethnic relations 22 Race relations 22 Social life and customs 22 Immigrants 20 Politics and government 15 Social aspects 12 Automobile industry and trade 8 Civil rights 8 Urban renewal 7 American literature 6 Ethnic identity 6 In literature 6 Ojibwa Indians 6 African American women 5 Arab Americans 5 City planning 5 Civil rights movements 5 Economics 5 Regimental histories 5 Women 5 Admission 4 Affirmative action programs in education 4 Automobile industry workers 4 Bankruptcy 4 Emigration and immigration 4 Employees 4 Environmental aspects 4 Indians of North America 4 Labor unions 4 Law and legislation 4 Ottawa Indians 4 Private collections 4 Railroads 4 Religious aspects 4 Riots 4 Study and teaching 4 Universities and colleges 4 Violence 4 Working class 4 Antiquities 3 Authors, American 3 Baseball 3 Buildings, structures, etc 3 Childhood and youth 3 Christianity 3 Community life 3 Copper mines and mining 3 Cultural assimilation 3 Discrimination in higher education 3 Education 3 Family 3 Finnish Americans 3 Frontier and pioneer life 3 Homes and haunts 3 Intellectual life 3 Labor movement 3 Mexican Americans 3 Migrations 3 Newsreels 3 Race riots 3 Racism 3 Rural-urban migration 3 Short stories, American 3 Social classes 3 Social conflict 3 Social justice 3 Soldiers 3 Strikes and lockouts 3 Trials, litigation, etc 3 Water-supply 3 African American authors 2 African American churches 2 African American families 2 Americana 2 Arabs 2 Architecture 2 Campaigns 2 Chaldean Catholics 2 Chinese American women 2 Chinese Americans 2 Cities and towns 2 Civil rights workers 2 College teachers 2 Copper industry and trade 2 Corrections 2 Country life 2 Description and travel 2 Discrimination in employment 2 Drinking water 2 Educational change 2 Electronic books 2 Employment 2 Environmental health 2 Environmentally induced diseases 2 Evangelicalism 2 Farm life 2