History 74 Polish Americans 53 Ethnic groups 48 Religious life 37 Churches 36 Social conditions 33 Societies, etc 29 more ... Church societies 27 Church buildings 25 Polish people 24 Lithuanian Americans 23 African Americans 20 Anniversaries, etc 16 Lithuanians 15 Politics and government 14 Biography 13 German Americans 13 Jews 13 Germans 12 Greek Americans 12 Ethnic relations 11 Race relations 11 Czech Americans 10 Italian Americans 10 Japanese Americans 10 Minorities 10 Working class 10 Political activity 9 Welsh Americans 9 Anarchism 8 Haymarket Square Riot, Chicago, Ill., 1886 8 Periodicals 8 Polish American newspapers 8 Fiction 7 Italians 7 Czechs 6 Education 6 Histoire 6 Irish Americans 6 Labor movement 6 less ...