Columbia subject headings:
Harvard subject headings:
Church architecture--Italy--Palermo.
Church decoration and ornament--Italy--Palermo.
Monasteries--Italy--Palermo.
Monastero del SS. Salvatore (Palermo, Italy)
Palermo (Italy)--Buildings, structures, etc.
SS. Salvatore (Monastery : Palermo, Italy)
Princeton subject headings:
Monasteries--Italy--Palermo.
Palermo (Italy)--Buildings, structures, etc.
SS. Salvatore (Monastery : Palermo, Italy)