Columbia subject headings:
Organ (Musical instrument)--Italy--Sardinia--History.
Organ builders--Italy--Sardinia.
Harvard subject headings:
Organ (Musical instrument)--Construction--Italy--Sardinia--History.
Organ (Musical instrument)--Italy--Sardinia--History.
Princeton subject headings:
Organ (Musical instrument)--Construction--Italy--Sardinia--History.
Organ (Musical instrument)--Italy--Sardinia--History.