Civil rights African Americans 30 Race relations 16 History 9 Civil rights movements 6 Racism 5 Segregation in transportation 5 more ... Free African Americans 4 Periodicals 4 Social conditions 4 Societies, etc 4 Street-railroads 4 African American baseball players 3 African American political activists 3 African American teachers 3 African American youth 3 Black nationalism 3 Minorities 3 Race discrimination 3 Race identity 3 African American women 2 Asian Americans 2 Baseball 2 Congresses and conventions 2 Discrimination 2 Discrimination in housing 2 Droits 2 Employment 2 Gay people 2 Histoire 2 Local transit 2 Minorités à la télévision 2 Minorities on television 2 Mouvements des droits de l'homme 2 Negro leagues 2 Newspapers 2 Noirs américains 2 Philadelphia (Pa.) 2 Pickets 2 Politics and government 2 less ...