Columbia subject headings:
Agriculture--Great Britain.
Great Britain--Colonies--America.
Great Britain--Commerce.
Great Britain--Commercial policy.
Ireland--Economic conditions.
Harvard subject headings:
Agriculture--Great Britain
Great Britain--Colonies--America.
Great Britain--Commerce.
Great Britain--Commercial policy.
Ireland--Economic conditions.
Princeton subject headings:
Agriculture--Great Britain.
Great Britain--Colonies--America.
Great Britain--Commerce.
Great Britain--Commercial policy.
Ireland--Economic conditions.