History 142 Social conditions 32 African Americans 19 Intellectual life 19 Social life and customs 19 Immigrants 18 Ethnic relations 17 more ... Race relations 17 Manners and customs 15 Emigration and immigration 12 Politics and government 12 Social aspects 11 Buildings, structures, etc 9 Economic conditions 9 Buildings 8 History and criticism 8 City planning 7 Jews 7 Architecture 6 City and town life 5 Civilization 5 Economic history 5 In literature 5 Literature 5 Bohemianism 4 Civil rights 4 Civil rights movements 4 International relations 4 Public opinion 4 Relations 4 less ...