Columbia subject headings:
Architecture--Conservation and restoration--Italy--Sicily--History--20th century.
Valenti, Francesco, 1868-1953.
Harvard subject headings:
Architecture--Conservation and restoration--Italy--Sicily.
Monuments--Conservation and restoration--Italy--Sicily.
Valenti, Francesco, 1868-1953.
Princeton subject headings:
Architecture--Conservation and restoration--Italy--Sicily--History--20th century.
Valenti, Francesco, 1868-1953.