Columbia subject headings:
Agriculture--Economic aspects--Great Britain.
Corn industry--Great Britain.
Great Britain--Commerce--Ireland.
Great Britain--Economic conditions.
Ireland--Commerce--Great Britain.
Land use--Prices--Great Britain.
Land value taxation--Great Britain.
Harvard subject headings:
Agriculture--Economic aspects--Great Britain
Agriculture--Economic aspects--Great Britain--Early works to 1800.
Great Britain--Commerce--Ireland.
Great Britain--Commercial policy--Early works to 1800.
Great Britain--Economic policy--Early works to 1800.
Great Britain--Economic policy.
Ireland--Commerce--Great Britain.
Land value taxation--Great Britain--Early works to 1800.
Princeton subject headings: