Columbia subject headings:
Italy--Antiquities--Guidebooks.
Lazio (Italy)--Antiquities--Guidebooks.
Lazio (Italy)--Guidebooks.
Harvard subject headings:
Italy--Antiquities--Guidebooks.
Lazio (Italy)--Antiquities--Guidebooks.
Lazio (Italy)--Guidebooks.
Princeton subject headings:
Italy--Antiquities--Guidebooks.
Lazio (Italy)--Antiquities--Guidebooks.
Lazio (Italy)--Guidebooks.