Columbia subject headings:
Art museums--Italy--Guidebooks.
Catholic Church--Museums--Italy--Guidebooks.
Christian art and symbolism--Italy--Guidebooks.
Italy--Guidebooks.
Harvard subject headings:
Art museums--Italy--Guidebooks.
Catholic Church--Italy--Museums--Guidebooks.
Catholic Church--Museums--Italy--Guidebooks.
Christian art and symbolism--Italy--Guidebooks.
Italy--Guidebooks.
Princeton subject headings:
Art museums--Italy--Guidebooks.
Christian art and symbolism--Medieval, 500-1500--Italy--Guidebooks.
Christian art and symbolism--Modern period, 1500---Italy--Guidebooks.