Columbia subject headings:
Architecture, Spanish--Italy--Syracuse.
Architecture--Italy--Syracuse--History--15th century.
Architecture--Italy--Syracuse--History--16th century.
Art, Spanish--Italy--Syracuse--15th century.
Art, Spanish--Italy--Syracuse--16th century.
Art--Italy--Syracuse.
Syracuse (Italy)--Buildings, structures, etc.
Harvard subject headings:
Architecture--Italy--Syracuse--15th century.
Architecture--Italy--Syracuse--16th century.
Art, Italian--Italy--Syracuse--15th century.
Art, Italian--Italy--Syracuse--16th century.
Nobility--Italy--Syracuse.
Palaces--Italy--Syracuse.
Syracuse (Italy)--Buildings, structures, etc.
Princeton subject headings: