Periodicals 626 Societies, etc 377 Polish Americans 269 History 261 Polish people 179 Religious life 151 Jews 141 more ... German Americans 123 Politics and government 117 Indians of North America 107 African Americans 96 Genealogy 82 Education 81 Slovaks 81 Lutheran Church 77 Civilization 67 Emigration and immigration 66 Armenian Americans 65 Armenians 59 Latvian Americans 58 Germans 56 Lithuanians 53 Slovak Americans 51 Latvians 50 Political activity 50 Ukrainians 48 Almanacs, German 45 Italian Americans 45 Study and teaching 44 Américains d'origine polonaise 43 Missions 43 Foreign countries 41 Lithuanian Americans 41 Almanacs, Polish 40 Associations 39 Agriculture 38 Norwegian Americans 38 Lutherans, Norwegian 37 Minorities 37 Social life and customs 35 less ...