Columbia subject headings:
Da Ponte, Lorenzo, 1749-1838--Criticism and interpretation--Congresses.
Libretto--Congresses.
Mozart, Wolfgang Amadeus, 1756-1791--Criticism and interpretation--Congresses.
Harvard subject headings:
Da Ponte, Lorenzo, 1749-1838--Criticism and interpretation--Congresses.
Libretto--Congresses.
Mozart, Wolfgang Amadeus, 1756-1791--Criticism and interpretation--Congresses.
Princeton subject headings:
Da Ponte, Lorenzo, 1749-1838--Criticism and interpretation--Congresses.
Libretto--Congresses.
Mozart, Wolfgang Amadeus, 1756-1791--Criticism and interpretation--Congresses.