History 226 Social conditions 83 African Americans 74 Race relations 63 Politics and government 50 Social aspects 39 History and criticism 21 more ... Civil rights 19 Intellectual life 18 Political aspects 18 Emigration and immigration 17 Buildings, structures, etc 16 Social life and customs 16 Economic conditions 15 Ethnic identity 15 Immigrants 15 Political activity 15 Mexican Americans 12 Buildings 11 City planning 11 Civil rights movements 10 Ethnic relations 10 Mexicans 10 Public housing 10 Puerto Ricans 10 Jews 9 Migrations 9 Race identity 9 Religious aspects 9 Working class 9 less ...