Columbia subject headings:
Architecture--Italy--History--19th century.
Nicastro, Giambattista, 1832-1903--Criticism and interpretation.
Harvard subject headings:
Architecture--Italy--Caltagirone--History.
Architecture--Italy--History--19th century.
Nicastro, Giambattista, 1832-1903--Criticism and interpretation.
Princeton subject headings:
Architecture--Italy--Caltagirone--History--19th century.
Nicastro, Giambattista, 1832-1903--Criticism and interpretation.