Columbia subject headings:
Architecture--Italy--Caltagirone--Guidebooks.
Art--Italy--Caltagirone--Guidebooks.
Caltagirone (Italy)--Guidebooks.
Harvard subject headings:
Architecture--Italy--Caltagirone--Guidebooks.
Art--Italy--Caltagirone--Guidebooks.
Caltagirone (Italy)--Guidebooks.
Princeton subject headings:
Caltagirone (Italy)--Guidebooks.
Guidebooks.