Columbia subject headings:
Mosaics, Byzantine--Italy--Sicily.
Mosaics, Early Christian--Italy--Sicily.
Mosaics--Italy--Sicily.
Harvard subject headings:
Mosaics, Byzantine.
Mosaics--Italy--Sicily.
Princeton subject headings:
Mosaics, Byzantine--Italy--Sicily.
Mosaics, Early Christian--Italy--Sicily.
Mosaics--Italy--Sicily.