Columbia subject headings:
Landscape architecture--Great Britain.
Landscape architecture.
Landscape design--Great Britain.
Landscape design.
Landscape gardening--Great Britain.
Landscape gardening.
Harvard subject headings:
Landscape architecture
Landscape architecture--Great Britain
Landscape design--Great Britain.
Landscape design.
Landscape gardening--Great Britain.
Landscape gardening.
Princeton subject headings:
Landscape architecture.