Columbia subject headings:
Harvard subject headings:
Mosaics, Medieval--Italy--Otranto--Themes, motives.
Otranto (Italy)--Buildings, structures, etc.
Otranto (Italy)--History.
Pavements, Mosaic--Italy--Otranto--Themes, motives.
Princeton subject headings:
Cattedrale (Otranto, Italy)
Mosaics, Medieval--Italy--Otranto--Themes, motives.
Otranto (Italy)--Buildings, structures, etc.
Otranto (Italy)--History.
Pavements, Mosaic--Italy--Otranto--Themes, motives.