Columbia subject headings:
Agriculture--Economic aspects--Great Britain--History--19th century.
Agriculture--Economic aspects--Great Britain--History--20th century.
Great Britain--Economic conditions--19th century.
Great Britain--Economic conditions--20th century.
Harvard subject headings:
Agriculture--Economic aspects--Great Britain--History.
Business cycles--Great Britain.
Depressions
Great Britain--Economic conditions--19th century.
Great Britain--Economic conditions--20th century.
Princeton subject headings:
Agriculture--Economic aspects--Great Britain--History.
Business cycles--Great Britain.
Depressions.
Great Britain--Economic conditions--19th century.
Great Britain--Economic conditions--20th century.