Columbia subject headings:
Environment (Art)--Pictorial works.
Installations (Art)--Pictorial works.
Landscape architecture--Pictorial works.
Public art--Pictorial works.
Harvard subject headings:
Environment (Art)
Environment (Art)--Exhibitions.
Installations (Art)--Pictorial works.
Landscape architecture--Pictorial works
Public art--Pictorial works.
Princeton subject headings:
Art, Modern--20th century--Exhibitions.
Environment (Art)
Gardening in art--Exhibitions.
Installations (Art)--Exhibitions.
Public art--Exhibitions.