Columbia subject headings:
Harvard subject headings:
Caelian Hill (Italy)--Antiquities.
Excavations (Archaeology)--Italy--Rome
Rome (Italy)--Antiquities--Maps.
Rome (Italy)--Antiquities.
Princeton subject headings:
Caelian Hill (Italy)--Antiquities--Maps.
Caelian Hill (Italy)--Antiquities.
Maps.
Rome (Italy)--Antiquities--Maps.
Rome (Italy)--Antiquities.