Columbia subject headings:
Italy--Antiquities--Handbooks, manuals, etc.
Rome (Italy)--Antiquities--Handbooks, manuals, etc.
Harvard subject headings:
Architecture, Roman--Italy--Rome--Guidebooks.
Excavations (Archaeology)--Italy--Rome--Guidebooks.
Italy--Antiquities--Guidebooks.
Rome (Italy)--Antiquities--Guidebooks.
Princeton subject headings:
Excavations (Archaeology)--Italy--Rome--Guidebooks.
Rome (Italy)--Antiquities--Guidebooks.
Rome (Italy)--Buildings, structures, etc.--Guidebooks.