Periodicals History 495 Societies, etc 494 Jews 213 Genealogy 197 Polish Americans 106 Indians of North America 93 more ... African Americans 89 Emigration and immigration 82 Religious life 76 Education 75 Bibliography 74 Study and teaching 74 Politics and government 73 German Americans 68 Minorities 56 Indexes 55 Polish people 55 Irish Americans 52 Directories 50 Civilization 43 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 Slovak Americans 32 Germans 28 Folklore 27 Economic conditions 26 Asian Americans 25 Congresses 25 Archives 24 Sources 24 World War, 1939-1945 23 less ...