African Americans History 4,456 Race relations 2,873 Civil rights 1,639 Social conditions 1,522 Politics and government 1,004 History and criticism 863 更多 ... Civil rights movements 731 African American authors 687 Intellectual life 686 Race identity 649 Racism 563 Social aspects 504 American literature 451 Slavery 441 Political aspects 434 Music 412 Economic conditions 401 Religion 393 Education 372 Black people 366 Enslaved persons 362 African Americans in literature 358 Biography 344 Social life and customs 338 Segregation 266 African American women 243 Civil rights workers 222 Employment 204 Political activity 197 少 ...