Columbia subject headings:
Duomo di Novara.
Mosaics, Medieval--Italy--Novara.
Mosaics--Italy--Novara.
Pavements, Mosaic--Italy--Novara.
Harvard subject headings:
Duomo di Novara.
Mosaics, Medieval--Italy--Novara.
Mosaics--Italy--Novara.
Pavements, Mosaic--Italy--Novara.
Princeton subject headings:
Duomo di Novara.
Mosaics--Italy--Ravenna.
Pavements, Mosaic--Italy--Ravenna.
Pavements--Italy--Ravenna.