Columbia subject headings:
Lazio (Italy)--Antiquities--Guidebooks.
Roads, Roman--Italy--Lazio--Guidebooks.
Via Valeria (Italy)--Guidebooks.
Harvard subject headings:
Italy--Antiquities, Roman.
Italy--Description and travel.
Lazio (Italy)--Antiquities--Guidebooks.
Roads, Roman--Italy
Roads, Roman--Italy--Lazio--Guidebooks.
Via Valeria (Italy)
Via Valeria (Italy)--Guidebooks.
Princeton subject headings:
Historic buildings--Italy--Lazio--Guidebooks.
Historic sites--Italy--Lazio--Guidebooks.
Via Valeria (Italy)--Guidebooks.