Columbia subject headings:
Communism--United States.
Motion picture industry--United States.
Radio broadcasting.
Television broadcasting.
Harvard subject headings:
Blacklisting of entertainers.
Communism--United States
Communism--United States--1917-
Motion picture industry--United States
Radio broadcasting
Radio broadcasting--United States
Television broadcasting--United States
Television broadcasting.
Princeton subject headings:
Blacklisting of entertainers.
Communism--United States--1917-.
Motion picture industry--United States.
Radio broadcasting.
Television broadcasting.