Columbia subject headings:
Harvard subject headings:
Music--Italy--17th century--Congresses.
Music--Italy--18th century--Congresses.
Opera--17th century--Congresses.
Opera--18th century--Congresses.
Opera--Italy--17th century--Congresses.
Opera--Italy--18th century--Congresses.
Princeton subject headings:
Music--Italy--17th century--History and criticism--Congresses.
Suite (Music)--Italy--History--17th century--Congresses.
Suite (Music)--Italy--History--18th century--Congresses.