Columbia subject headings:
Basilicas--Italy--Modena--History.
Duomo (Modena, Italy)--History.
Modena (Italy)--Buildings, structures, etc.
Harvard subject headings:
Basilicas--Italy--Modena--History.
Duomo (Modena, Italy)
Modena (Italy)--Buildings, structures, etc.
Princeton subject headings:
Art, Romanesque--Italy--Modena.
Duomo (Modena, Italy)
Modena (Italy)--Buildings, structures, etc.