History 313 Ethnic groups 100 Jews 98 Social conditions 93 Societies, etc 93 Description and travel 76 Social life and customs 69 more ... Politics and government 64 Italian Americans 61 Greek Americans 57 African Americans 55 Emigration and immigration 39 Immigrants 39 Biography 37 Italians 37 Puerto Ricans 35 Irish Americans 32 Irish 30 Periodicals 29 Religious life 29 Churches 26 Education 26 Fiction 26 Polish Americans 26 Ethnic relations 25 Histoire 24 Economic conditions 23 Views 21 Chinese Americans 20 Jewish newspapers 19 Charities 18 Buildings, structures, etc 17 Manners and customs 17 Polish people 16 Church history 14 Church societies 14 Germans 14 Intellectual life 14 Minorities 14 Race relations 14 less ...