Columbia subject headings:
Human settlements--England--History--20th century.
Land tenure--England--History--20th century.
Land use, Rural--England--History--20th century.
Squatter settlements--England--History--20th century.
Harvard subject headings:
Human settlements--England--History--20th century.
Land tenure--England--History--20th century.
Land use, Rural--England--History--20th century.
Squatter settlements--England--History--20th century.
Princeton subject headings:
Human settlements--England--History--20th century.
Land tenure--England--History--20th century.
Land use, Rural--England--History--20th century.
Squatter settlements--England--History--20th century.