Columbia subject headings:
Blacklisting of entertainers--United States--History--20th century.
Motion picture industry--Political aspects--United States.
Motion pictures--Political aspects--United States.
United States--Politics and government--20th century.
Harvard subject headings:
Blacklisting of entertainers--United States
McCarthy, Joseph, 1908-1957.
Motion picture industry--United States
Princeton subject headings:
Blacklisting of entertainers--United States.
McCarthy, Joseph, 1908-1957.
Motion picture industry--United States.