Columbia subject headings:
Bridges--Conservation and restoration--Italy--Florence.
Florence (Italy)--Buildings, structures, etc.
Santa Trinita Bridge (Florence, Italy)
Harvard subject headings:
Bridges--Italy--Florence--Conservation and restoration.
Bridges--Italy--Florence--Design and construction--History.
Florence (Italy)--Buildings, structures, etc.
Santa Trinita Bridge (Florence, Italy)
Princeton subject headings:
Bridges--Italy--Florence--Conservation and restoration.
Florence (Italy)--Buildings, structures, etc.
Ponte a Santa Trinita (Florence, Italy)