Periodicals History 499 Societies, etc 495 Jews 213 Genealogy 198 Polish Americans 106 Indians of North America 93 more ... African Americans 89 Emigration and immigration 82 Education 78 Religious life 78 Bibliography 74 Politics and government 74 Study and teaching 74 German Americans 71 Minorities 56 Indexes 55 Polish people 55 Irish Americans 52 Directories 50 Civilization 44 Italian Americans 43 Statistics 41 Armenian Americans 39 Armenians 38 Ethnic groups 38 Biography 37 Social conditions 37 Charities 36 Political activity 34 Social life and customs 33 Germans 32 Slovak Americans 32 Folklore 27 Economic conditions 26 Asian Americans 25 Congresses 25 Sources 25 Archives 24 Slovaks 23 less ...