Columbia subject headings:
Bridges--Italy--Florence--History.
Florence (Italy)--Buildings, structures, etc.
Florence (Italy)--History.
Ponte Vecchio (Florence, Italy)--History.
Ponte Vecchio (Florence, Italy)--In art.
Harvard subject headings:
Bridges--Italy--Florence--History.
Florence (Italy)--Buildings, structures, etc.
Florence (Italy)--History.
Ponte Vecchio (Florence, Italy)--History.
Ponte Vecchio (Florence, Italy)--In art.
Princeton subject headings:
Bridges--Italy--Florence--History.
Florence (Italy)--Buildings, structures, etc.
Florence (Italy)--History.
Ponte Vecchio (Florence, Italy)--History.
Ponte Vecchio (Florence, Italy)--In art.