Columbia subject headings:
Janiculum (Italy)
Rome (Italy)--Antiquities.
Rome (Italy)--Description and travel.
Harvard subject headings:
Excavations (Archaeology)--Italy--Rome
Rome (Italy)--Antiquities.
Rome (Italy)--Buildings, structures, etc.
Princeton subject headings:
Excavations (Archaeology)--Italy--Rome.
Rome (Italy)--Antiquities.
Rome (Italy)--Buildings, structures, etc.