Columbia subject headings:
Composers--Italy--Congresses.
Organists--Italy--Congresses.
Poli, Alessandro, 1932---Congresses.
Harvard subject headings:
Composers--Italy--Congresses.
Organists--Italy--Congresses.
Poli, Alessandro--Congresses.
Princeton subject headings:
Poli, Alessandro, 1932---Criticism and interpretation--Congresses.