Columbia subject headings:
Aqueducts--Rome.
City planning--Rome.
Rome (Italy)--Antiquities.
Water-supply--Rome.
Harvard subject headings:
Aqueducts--Rome.
City planning--Rome.
Rome (Italy)--Antiquities.
Water (Roman law)
Water-supply--Rome.
Princeton subject headings:
Aqueducts--Italy--Rome.
Rome (Italy)--Antiquities.
Water (Roman law)
Water-supply--Italy--Rome.