Columbia subject headings:
Lazio (Italy)--Antiquities, Roman.
Lazio (Italy)--Guidebooks.
Via Labicana (Italy)
Harvard subject headings:
Lazio (Italy)--Antiquities, Roman.
Lazio (Italy)--Guidebooks.
Roads, Roman--Italy--Lazio--Guidebooks.
Via Labicana (Italy)
Princeton subject headings:
Lazio (Italy)--Antiquities.
Roads, Roman--Italy--Lazio--Guidebooks.
Via Labicana (Italy)