Afro-Americans in Denver Nation's first interracial business sorority Alpha Gamma Chi, to be installed here. RMN Ag 8, 1951 p:9 Denver negroes find prejudices haven't vanished. Post S 24, 1951 p.1 Jim Crow strong ally of Communists in appeal to minorities. Post S 25, 1951 p.1 Job situation improves. Post S 26, 1951 p.2 Jim Crow out in amusement sports. Post S 27, 1951 p.26 0