Columbia subject headings:
Art, Italian--Italy--Rome (Province)--Guidebooks.
Art, Italian--Italy--Rome--Guidebooks.
Christian art and symbolism--Italy--Rome (Province)--Guidebooks.
Christian art and symbolism--Italy--Rome--Guidebooks.
Rome (Italy : Province)--Guidebooks.
Rome (Italy)--Guidebooks.
Harvard subject headings:
Art, Italian--Italy--Rome (Province)--Guidebooks.
Art, Italian--Italy--Rome--Guidebooks.
Christian art and symbolism--Italy--Rome (Province)--Guidebooks.
Christian art and symbolism--Italy--Rome--Guidebooks.
Popes--Art patronage
Rome (Italy : Province)--Guidebooks.
Rome (Italy)--Guidebooks.
Princeton subject headings:
Art, Italian--Italy--Lazio--Guidebooks.
Art, Modern--17th century--Guidebooks.
Art, Modern--18th century--Guidebooks.
Art--16th century--Italy--Lazio--Guidebooks.
Guidebooks.
Popes--Art patronage.