Columbia subject headings:
Earthworks (Art)
Landscape gardening.
Landscape painting--19th century.
Landscape painting--20th century.
Landscapes in art.
Nature (Aesthetics)
Harvard subject headings:
Earthworks (Art)
Landscape gardening.
Landscape painting--19th century
Landscape painting--20th century
Landscapes in art
Nature (Aesthetics)
Princeton subject headings:
Landscape architecture--History.
Landscape design--History.
Landscape gardening--History.
Landscapes in art.