Columbia subject headings:
Composers--Italy--Biography--Congresses.
Guglielmi, Pietro Alessandro, 1728-1804--Congresses.
Guglielmi, Pietro Alessandro, 1728-1804--Criticism and interpretation--Congresses.
Harvard subject headings:
Composers--Italy--Biography--Congresses.
Guglielmi, Pietro Alessandro, 1728-1804--Congresses.
Guglielmi, Pietro Alessandro, 1728-1804--Criticism and interpretation--Congresses.
Princeton subject headings:
Guglielmi, Pietro Alessandro, 1728-1804--Criticism and interpretation--Congresses.