Columbia subject headings:
Da Ponte, Lorenzo, 1749-1838.
Mozart, Wolfgang Amadeus, 1756-1791.
Opera--Austria--Vienna--18th century.
Harvard subject headings:
Da Ponte, Lorenzo, 1749-1838
Mozart, Wolfgang Amadeus, 1756-1791
Opera--Austria--Vienna--18th century.
Princeton subject headings:
Da Ponte, Lorenzo, 1749-1838.
Mozart, Wolfgang Amadeus, 1756-1791.
Operas--18th century.