Columbia subject headings:
Architectural drawing--Italy--19th century--Exhibitions.
Neoclassicism (Architecture)--Italy--Exhibitions.
Valadier, Giuseppe, 1762-1839--Exhibitions.
Harvard subject headings:
Architectural drawing--19th century--Italy--Exhibitions.
Neoclassicism (Architecture)--Italy--Exhibitions.
Valadier, Giuseppe, 1762-1839--Exhibitions.
Princeton subject headings: