Columbia subject headings:
Harvard subject headings:
Art--Italy--Palermo--Catalogs.
Christian art and symbolism--Italy--Palermo--Catalogs.
Galleria regionale della Sicilia--Catalogs.
Princeton subject headings:
Art--Italy--Palermo--Catalogs.
Christian art and symbolism--Italy--Palermo--Catalogs.
Galleria regionale della Sicilia--Catalogs.