Columbia subject headings:
Organ (Musical instrument)--Conservation and restoration--Italy--Somma Lombardo--History.
Organ (Musical instrument)--Italy--Somma Lombardo--History.
S. Agnese (Church : Somma Lombardo, Italy)--Organs.
Harvard subject headings:
Organ (Musical instrument)--Conservation and restoration--Italy--Somma Lombardo--History.
Organ (Musical instrument)--Italy--Somma Lombardo--History.
S. Agnese (Church : Somma Lombardo, Italy)--Organs.
Princeton subject headings:
Organ (Musical instrument)--Conservation and restoration--Italy--Somma Lombardo--History.
Organ (Musical instrument)--Italy--Somma Lombardo--History.
S. Agnese (Church : Somma Lombardo, Italy)--Organs.