Columbia subject headings:
Mozart, Wolfgang Amadeus, 1756-1791--Congresses.
Opera--18th century--Congresses.
Opera--19th century--Congresses.
Opera--Austria--Congresses.
Opera--Italy--Congresses.
Paisiello, Giovanni, 1740-1816--Congresses.
Rossini, Gioacchino, 1792-1868--Congresses.
Harvard subject headings:
Mozart, Wolfgang Amadeus, 1756-1791--Congresses.
Music--Germany--History and criticism--Congresses.
Music--Italy--History and criticism--Congresses.
Opera--18th century--Congresses.
Opera--19th century--Congresses.
Paisiello, Giovanni, 1740-1816--Congresses.
Rossini, Gioacchino, 1792-1868--Congresses.
Princeton subject headings:
Mozart, Wolfgang Amadeus, 1756-1791--Congresses.
Opera--18th century--Congresses.
Opera--19th century--Congresses.
Paisiello, Giovanni, 1740-1816--Congresses.
Rossini, Gioacchino, 1792-1868--Congresses.