History 295 Ethnic groups 161 Societies, etc 157 Greek Americans 113 Jews 94 Social conditions 91 Description and travel 90 more ... Social life and customs 73 Politics and government 64 Italian Americans 59 African Americans 51 Emigration and immigration 38 Italians 38 Biography 37 Religious life 37 Immigrants 36 Puerto Ricans 34 Churches 33 German Americans 33 Periodicals 29 Germans 28 Education 26 Fiction 26 Irish Americans 26 Polish Americans 26 Ethnic relations 24 Economic conditions 23 Irish 23 Travel 22 Chinese Americans 21 Views 21 Church societies 20 Histoire 20 Manners and customs 20 Charities 18 Lithuanian Americans 17 Polish people 15 Intellectual life 14 Minorities 14 Sources 14 less ...