Columbia subject headings:
Pavements, Medieval--Italy--Ravenna.
Pavements, Mosaic--Italy--Ravenna.
San Giovanni Evangelista (Church : Ravenna, Italy)
Harvard subject headings:
Mosaics, Medieval--Italy--Ravenna.
Pavements, Medieval--Italy--Ravenna.
Pavements, Mosaic--Conservation and restoration--Italy--Ravenna.
Pavements, Mosaic--Italy--Ravenna.
San Giovanni Evangelista (Church : Ravenna, Italy)
San Giovanni Evangelista (Church : Ravnena, Italy)
Princeton subject headings:
Pavements, Mosaic--Italy--Ravenna.
Pavements--Italy--Ravenna.
San Giovanni Evangelista (Church : Ravenna, Italy)