Columbia subject headings:
Mozart, Wolfgang Amadeus, 1756-1791--Symbolism.
Mozart, Wolfgang Amadeus, 1756-1791.
Harvard subject headings:
Mozart, Wolfgang Amadeus, 1756-1791
Mozart, Wolfgang Amadeus, 1756-1791. Operas.
Princeton subject headings:
Mozart, Wolfgang Amadeus, 1756-1791--Criticism and interpretation.