Columbia subject headings:
Church architecture--Conservation and restoration--Italy--Florence.
Florence (Italy)--Buildings, structures, etc.
Santa Maria del Fiore (Cathedral : Florence, Italy)
Harvard subject headings:
Architecture--Italy--Florence
Florence (Italy)--Buildings, structures, etc.
Florence (Italy)--History.
Historic buildings--Conservation and restoration--Italy--Florence.
Santa Maria del Fiore (Cathedral : Florence, Italy)
Princeton subject headings:
Architecture--Italy--Florence.
Florence (Italy)--Buildings, structures, etc.
Florence (Italy)--History.
Historic buildings--Conservation and restoration--Italy--Florence.
Santa Maria del Fiore (Cathedral : Florence, Italy)