History 187 Social conditions 57 Politics and government 56 Intellectual life 45 Social life and customs 39 African Americans 29 History and criticism 19 Race relations 19 In literature 18 Economic conditions 16 Immigrants 16 Ethnic relations 15 Puerto Ricans 13 Authors, American 12 Jews 12 Social aspects 12 City and town life 11 City planning 11 American literature 9 Buildings, structures, etc 9 Social structure 9 Criticism and interpretation 7 Emigration and immigration 7 Friends and associates 7 Homes and haunts 7 Irish Americans 7 Bohemianism 6 Civil rights 6 Culture 6 Political activity 6