African Americans -- Civil rights -- History -- 20th century Civil rights movements -- United States -- History -- 20th century 21 United States -- Race relations -- History -- 20th century 9 African American civil rights workers -- Biography 7 Civil rights workers -- United States -- Biography 5 African American soldiers -- History -- 20th century 3 African Americans -- Politics and government -- 20th century 3 更多 ... African Americans -- Social conditions -- 20th century 3 United States -- Race relations -- Political aspects -- History -- 20th century 3 African Americans -- Intellectual life -- 20th century 2 African Americans -- Relations with Mexican Americans -- History -- 20th century 2 African Americans -- Segregation -- History -- 20th century 2 Black power -- United States -- History -- 20th century 2 Minorities -- Civil rights -- United States -- History -- 20th century 2 Racism -- Political aspects -- United States -- History -- 20th century 2 United States -- Ethnic relations -- History -- 20th century 2 United States -- Politics and government -- 1933-1945 2 United States -- Race relations -- Political aspects 2 War and society -- United States -- History -- 20th century 2 African American children -- Pictorial works 1 African American children -- Social conditions -- 20th century 1 African American civil rights workers 1 African American civil rights workers -- History -- 20th century 1 African American entertainers -- Political activity -- History -- 20th century 1 African American families 1 African American intellectuals -- Biography 1 African American lawyers -- Biography 1 African American political activists -- Biography 1 African American political activists -- History -- 20th century 1 African American sociologists -- Biography 1 少 ...