Columbia subject headings:
Communism--United States--1917-
Motion pictures--United States.
Harvard subject headings:
Communism and motion pictures.
Communism--United States
Communism--United States--1917-
Communist trials--United States.
Disney, Walt, 1901-1966
Motion pictures--United States
Reagan, Ronald
Princeton subject headings:
Communism--United States--1917-.
Motion pictures--United States.