History 20 Jews 14 Puerto Ricans 10 African Americans 8 Social conditions 8 Biography 7 Fiction 6 more ... Emigration and immigration 5 Social life and customs 5 Societies, etc 5 Chinese Americans 4 Ethnic groups 4 Immigrants 4 Irish 4 Irish Americans 4 Italian Americans 4 Italians 4 Periodicals 4 Politics and government 4 Chinese 3 Description and travel 3 Education 3 Ethnic relations 3 Churches 2 Civilization 2 Czech Americans 2 Czechs 2 Description 2 English language 2 Exhibitions 2 Émigration et immigration 2 Finland-Swedes 2 Foreign speakers 2 Histoire 2 Independence and autonomy movements 2 Juden 2 Labor 2 Newspapers 2 Portraits 2 Radicalism 2 less ...