History Social conditions 104 African Americans 68 Intellectual life 63 Social life and customs 63 Politics and government 51 Race relations 51 more ... Buildings, structures, etc 49 Manners and customs 48 Ethnic relations 39 Immigrants 37 Architecture 31 City planning 29 City and town life 28 Economic conditions 28 Social aspects 28 Jews 26 Emigration and immigration 25 History and criticism 20 In literature 15 Intellectuals 13 Authors, American 12 Description and travel 12 Civilization 11 Puerto Ricans 10 Women 10 American literature 9 Bohemianism 9 Buildings 9 Commerce 9 less ...