Columbia subject headings:
Composers--Italy--Venice--Biography--Congresses.
Mayr, Giovanni Simone, 1763-1845--Congresses.
Music--Italy--Venice--Congresses.
Harvard subject headings:
Mayr, Giovanni Simone, 1763-1845--Congresses.
Music--Italy--Venice--18th century--History and criticism--Congresses.
Music--Italy--Venice--19th century--History and criticism--Congresses.
Opera--Italy--Venice--18th century--Congresses.
Opera--Italy--Venice--19th century--Congresses.
Princeton subject headings:
Composers--Italy--Venice--Biography--Congresses.
Mayr, Giovanni Simone, 1763-1845--Congresses.
Music--Italy--Venice--Congresses.