Periodicals 2,168 History 801 Societies, etc 695 Genealogy 298 Jews 280 Polish Americans 207 Indians of North America 173 more ... Religious life 138 Politics and government 127 African Americans 121 Polish people 116 Emigration and immigration 114 Education 111 Study and teaching 96 German Americans 89 Slovak Americans 77 Slovaks 74 Social life and customs 73 Armenian Americans 71 Italian Americans 71 Civilization 70 Minorities 70 Irish Americans 65 Armenians 61 Charities 55 Political activity 52 Social conditions 52 Description and travel 51 Art 50 Directories 48 American literature 46 Ethnic groups 45 Museums 43 Economic conditions 42 Government relations 42 Asian Americans 41 Bibliography 41 Folklore 41 Collectors and collecting 40 Germans 40 less ...