History 7,437 Politics and government 1,649 African Americans 1,507 Jews 1,170 Description and travel 1,003 Social conditions 797 Social life and customs 758 more ... Biography 718 Fiction 605 Slavery 534 Emigration and immigration 530 Periodicals 510 Indians of North America 505 Histoire 502 Societies, etc 496 Race relations 487 World War, 1914-1918 409 Radicalism 404 Sources 360 Economic conditions 355 Civilization 335 Education 327 World War, 1939-1945 316 Presidents 305 Bibliography 298 Communism 298 Ethnic groups 283 Foreign relations 282 History and criticism 272 Civil rights 271 Genealogy 263 Immigrants 262 Italian Americans 248 Churches 243 Clergy 239 Women 221 American literature 219 Almanacs, American 216 Greek Americans 208 Socialism 208 less ...