Columbia subject headings:
Historic sites--Italy--Rome.
Palatine Hill (Italy)
Roman Forum (Rome, Italy)
Harvard subject headings:
Palatine Hill (Italy)--Guidebooks.
Roman Forum (Rome, Italy)--Guidebooks.
Rome (Italy)--Antiquities, Roman--Guidebooks.
Rome (Italy)--Guidebooks.
Princeton subject headings:
Historic sites--Italy--Rome.
Palatine Hill (Italy)
Roman Forum (Rome, Italy)