Columbia subject headings:
Excavations (Archaeology)--Italy--Guidebooks.
Italy--Antiquities, Roman--Guidebooks.
Roads, Roman--Italy--Guidebooks.
Romans--Italy--Guidebooks.
Harvard subject headings:
Excavations (Archaeology)--Italy--Guidebooks.
Italy--Antiquities, Roman--Guidebooks.
Roads, Roman--Italy--Guidebooks.
Romans--Italy--Guidebooks.
Princeton subject headings: