Columbia subject headings:
Harvard subject headings:
Mural painting and decoration, Italian--Italy--Rome.
Mural painting and decoration, Medieval--Italy--Rome.
Mural painting and decoration--Conservation and restoration--Italy--Rome.
Rome (Italy)--Buildings, structures, etc.
Sancta Sanctorum (Chapel : Rome, Italy)
Princeton subject headings:
Christian art and symbolism--Italy--Rome.
Mosaics--Italy--Rome.
Mural painting and decoration, Italian--Italy--Rome.
Rome (Italy)--Buildings, structures, etc.
Sancta sanctorum (Santuario della Scala santa, Rome, Italy)