Periodicals 492 History 297 Societies, etc 100 Genealogy 67 Education 46 Politics and government 46 Almanacs, American 36 more ... African Americans 34 Jews 29 Directories 28 Women 26 Bibliography 22 Missions 22 Sources 22 Biography 21 German Americans 21 Medicine 20 Nobility 20 Slavery 20 Ukrainians 20 Charities 19 Polish Americans 19 Statistics 19 Agriculture 18 Almanacs, Polish 18 Antislavery movements 18 Railroads 18 Slovaks 18 Antiquities 17 Emigration and immigration 17 Lutheran Church 17 Science 17 Slovak Americans 17 Heraldry 16 Indians of North America 16 Societies and clubs 16 Students 16 Commerce 15 Local history 15 Yearbooks 15 less ...