Columbia subject headings:
Land settlement--Great Britain--History.
Land use--Great Britain--History.
Harvard subject headings:
Civilization, Medieval
Great Britain--History--Anglo Saxon period, 449-1066.
Land settlement--Great Britain--History.
Land use--Great Britain--History.
Landscape changes--Great Britain--History.
Princeton subject headings:
Land settlement--Great Britain--History.
Land use--Great Britain--History.