Columbia subject headings:
Opera--Italy--17th century--Congresses.
Opera--Italy--18th century--Congresses.
Scarlatti, Alessandro, 1660-1725--Congresses.
Scarlatti, Alessandro, 1660-1725--Criticism and interpretation--Congresses.
Harvard subject headings:
Music--Italy--17th century--History and criticism
Scarlatti, Alessandro, 1660-1725--Congresses.
Princeton subject headings:
Opera--Italy--17th century--Congresses.
Opera--Italy--18th century--Congresses.
Scarlatti, Alessandro, 1660-1725--Congresses.
Scarlatti, Alessandro, 1660-1725--Criticism and interpretation--Congresses.