Columbia subject headings:
Bologna (Italy)--Buildings, structures, etc.--Conservation and restoration.
Church architecture--Conservation and restoration--Italy--Bologna.
Santuario di Santo Stefano (Bologna, Italy)
Harvard subject headings:
Bologna (Italy)--Buildings, structures, etc.--Conservation and restoration.
Church architecture--Italy--Bologna--Conservation and restoration.
Santuario di Santo Stefano (Bologna, Italy)
Princeton subject headings:
Bologna (Italy)--Buildings, structures, etc.--Conservation and restoration.
Church architecture--Italy--Bologna--Conservation and restoration.
Santuario di Santo Stefano (Bologna, Italy)