Periodicals 840 Societies, etc 439 History 197 Jews 190 Polish Americans 160 Religious life 149 Polish people 145 more ... German Americans 83 Genealogy 66 Slovaks 58 Politics and government 57 Germans 55 Political activity 55 Slovak Americans 55 Latvians 53 Armenian Americans 48 Education 45 Latvian Americans 45 Lithuanians 45 Armenians 43 Emigration and immigration 42 Almanacs, German 41 Lithuanian Americans 39 Minorities 37 Study and teaching 36 Russians 34 Américains d'origine polonaise 32 Civilization 30 Lutheran Church 30 Charities 29 Russian Americans 29 Ukrainians 29 Vie religieuse 28 Indians of North America 27 Norwegian Americans 27 Ukrainian Americans 26 Gymnastics 25 Lutherans, Norwegian 25 Social conditions 25 Social life and customs 24 less ...