Periodicals 641 History 499 Societies, etc 432 Polish Americans 277 Polish people 190 Genealogy 172 Religious life 166 more ... Indians of North America 146 Politics and government 120 Jews 116 German Americans 111 African Americans 92 Education 91 Slovaks 88 Civilization 74 Lutheran Church 70 Armenian Americans 67 Emigration and immigration 66 Slovak Americans 63 Lithuanians 59 Armenians 58 Latvian Americans 58 Germans 55 Latvians 54 Social life and customs 54 Political activity 51 Study and teaching 51 Italian Americans 47 Américains d'origine polonaise 44 Lithuanian Americans 44 Art 43 Minorities 41 Foreign countries 40 Almanacs, German 39 Associations 39 Missions 39 Agriculture 35 Lutherans, Norwegian 35 Russians 35 Vie religieuse 35 less ...