Columbia subject headings:
Chiesa della Madonna della Ghiara (Reggio Emilia, Italy)--Organs.
Organ (Musical instrument)--Conservation and restoration--Italy--Reggio Emilia.
Organ (Musical instrument)--Italy--Reggio Emilia.
Harvard subject headings:
Princeton subject headings:
Chiesa della Madonna della Ghiara (Reggio Emilia, Italy)--Organs.
Organ (Musical instrument)--Conservation and restoration--Italy--Reggio Emilia.
Organ (Musical instrument)--Italy--Reggio Emilia.