Columbia subject headings:
Great Britain--Commercial policy--History.
Great Britain--Economic conditions--1918-1945.
Protectionism--History.
Tariff--Great Britain--History.
Harvard subject headings:
Great Britain--Commercial policy--History.
Great Britain--Economic conditions--1918-1945.
Protectionism--Great Britain--History.
Protectionism--History.
Tariff--Great Britain--History.
Princeton subject headings:
Great Britain--Commercial policy--History.
Great Britain--Economic conditions--1918-1945.
Protectionism--Great Britain--History.
Tariff--Great Britain--History.