History 10,979 African Americans 3,041 Politics and government 2,317 Societies, etc 2,261 Jews 2,255 Periodicals 2,107 Description and travel 1,659 more ... Emigration and immigration 1,617 Social conditions 1,478 Almanacs, American 1,360 Biography 1,287 Religious life 1,282 Ethnic groups 1,192 Social life and customs 1,168 Histoire 1,131 Germans 994 Bibliography 976 Education 935 Race relations 899 Polish Americans 893 Sources 828 Indians of North America 800 German Americans 795 Minorities 771 Genealogy 750 Fiction 737 Travel 735 Churches 724 Economic conditions 705 Study and teaching 604 Anniversaries, etc 597 World War, 1939-1945 588 Radicalism 585 Italian Americans 579 Polish people 557 Immigrants 521 Communism 507 Clergy 501 Civil rights 498 Lutheran Church 491 less ...