Columbia subject headings:
Motion pictures and opera.
Operas--Film adaptations.
Verdi, Giuseppe, 1813-1901--Film adaptations.
Verdi, Giuseppe, 1813-1901--In motion pictures.
Harvard subject headings:
Motion pictures and opera.
Operas--Film adaptations
Verdi, Giuseppe, 1813-1901--Film and video adaptiations.
Princeton subject headings:
Verdi, Giuseppe, 1813-1901--Film and video adaptations.
Verdi, Giuseppe, 1813-1901--In motion pictures.