Columbia subject headings:
Harvard subject headings:
Mosaics, Medieval--Italy--Murano.
Mosaics, Medieval--Italy--Torcello.
Mosaics, Medieval--Italy--Venice.
Pavements, Mosaic--Italy--Murano.
Pavements, Mosaic--Italy--Torcello.
Pavements, Mosaic--Italy--Venice.
Princeton subject headings:
Mosaics, Medieval--Italy.
Pavements, Mosaic--Italy.