History 337 Social conditions 79 Politics and government 60 Social life and customs 56 African Americans 45 Jews 40 History and criticism 37 more ... Ethnic relations 36 Social aspects 36 Intellectual life 27 Economic conditions 24 Immigrants 23 Race relations 22 City planning 21 Certification 20 Puerto Ricans 20 Examinations 19 Theater 18 Teachers 17 Women 17 Political aspects 16 Teaching 16 Ethnic identity 15 Murder 15 City and town life 14 Emigration and immigration 14 Families 14 Musicals 14 Education 13 Architecture 12 less ...