Columbia subject headings:
Harvard subject headings:
Aqueducts--Italy--Rome.
Piranesi, Giovanni Battista, 1720-1778
Rome (Italy)--In art.
Rome--Antiquities.
Princeton subject headings:
Aqueducts--Italy.
Italy--Antiquities, Roman.
Piranesi, Giovanni Battista, 1720-1778.
Rome (Italy)--Antiquities.