Columbia subject headings:
Authority in motion pictures.
El Cid (Motion picture)
Mann, Anthony, 1906-1967.
Motion pictures--United States--History.
Power (Social sciences) in motion pictures.
Harvard subject headings:
Authority in motion pictures.
El Cid (Motion picture)
Mann, Anthony, 1906-1967.
Motion pictures--United States--History
Power (Social sciences) in motion pictures.
Princeton subject headings:
Authority in motion pictures.
El Cid (Motion picture)
Mann, Anthony, 1906-1967.
Motion pictures--United States--History.
Power (Social sciences) in motion pictures.