Columbia subject headings:
Organ builders--Italy--Biography.
Organists--Italy--Biography.
Questa, Giorgio, 1929-2010.
Harvard subject headings:
Organ builders--Italy--Biography.
Organists--Italy--Biography.
Questa, Giorgio, 1929-2010.
Princeton subject headings:
Organ builders--Italy--Biography.
Organists--Italy--Biography.
Questa, Giorgio, 1929-2010.