Columbia subject headings:
Classicism in art.
Gardens--Europe--History.
Gardens--Italy--History.
Harvard subject headings:
Classicism in art--Congresses.
Gardens--Europe--History--Congresses.
Gardens--Italy--History--Congresses.
Landscape architecture--Italy--Congresses.
Princeton subject headings:
Classicism in art.
Gardens--Europe--History.
Gardens--Italy--History.