Columbia subject headings:
Architecture, Baroque--Italy--Sicily.
Architecture--Italy--Sicily.
Art, Baroque--Italy--Sicily.
Harvard subject headings:
Architecture, Baroque--Italy--Sicily.
Architecture--Italy--Sicily.
Art, Baroque--Italy--Sicily.
Decoration and ornament, Architectural--Italy--Italy--Sicily.
Princeton subject headings:
Architecture, Baroque--Italy--Sicily.
Architecture--Italy--Sicily.
Decoration and ornament, Architectural--Italy--Sicily.