Columbia subject headings:
Doorways--Italy--Catania.
Relief (Sculpture), Italian--Italy--Catania.
Harvard subject headings:
Architecture, Modern--17th-18th centuries--Italy--Catania.
Decoration and ornament, Architectural--Italy--Catania.
Doorways--Italy--Catania.
Princeton subject headings:
Buildings--Earthquake effects--Italy--Catania.
Catania (Italy)--Buildings, structures, etc.
Doorways--Italy--Catania.