Polish Americans 41 History 40 Churches 31 Church buildings 28 Religious life 28 Church societies 27 Societies, etc 24 more ... Lithuanian Americans 22 Ethnic groups 20 Social conditions 20 German Americans 19 Polish people 16 Germans 13 Lithuanians 12 Histoire 11 African Americans 10 Czech Americans 10 Greek Americans 10 Japanese Americans 10 Description and travel 8 Ethnic relations 8 Polish American newspapers 8 Anniversaries, etc 7 Travel 7 Italian Americans 6 Labor movement 6 Polish American Catholics 6 Politics and government 6 Working class 6 Czechs 5 Jews 5 Museums 5 Periodicals 5 Anniversaries 4 Chinese Americans 4 Czech American newspapers 4 Irish Americans 4 Political activity 4 Race relations 4 Socialism 4 less ...