Columbia subject headings:
Architects--Italy.
Architecture--Italy--History--19th century.
Costa, Cesare, 1802-1876.
Engineers--Italy.
Harvard subject headings:
Architects--Italy.
Architecture, Modern--19th century--Italy.
Architecture--Italy--History--19th century.
Costa, Cesare, 1802-1876--Catalogs.
Costa, Cesare, 1802-1876.
Engineers--Italy.
Princeton subject headings:
Architecture, Modern--19th century--Italy.
Costa, Cesare, 1802-1876.