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