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