Columbia subject headings:
Britten, Benjamin, 1913-1976.
Mozart, Wolfgang Amadeus, 1756-1791.
Music and language.
Opera.
Verdi, Giuseppe, 1813-1901.
Harvard subject headings:
Britten, Benjamin, 1913-1976
Mozart, Wolfgang Amadeus, 1756-1791
Music and language.
Opera.
Verdi, Giuseppe, 1813-1901.
Princeton subject headings:
Britten, Benjamin, 1913-1976.
Mozart, Wolfgang Amadeus, 1756-1791.
Music and language.
Opera.
Verdi, Giuseppe, 1813-1901.