Columbia subject headings:
Gardens, English--History--20th century.
Gardens--England--Design--History--20th century.
Landscape gardening--England--History--20th century.
Harvard subject headings:
Gardens, English--Design--History--20th century.
Gardens, English--History--20th century.
Gardens, English--History.
Gardens, English.
Gardens--England--Design--History--20th century.
Gardens--England--History
Landscape gardening--England
Landscape gardening--England--History--20th century.
Princeton subject headings:
Gardens, English--Design--History--20th century.