Columbia subject headings:
Great Britain--Politics and government--1979-1997.
Great Britain--Politics and government.
Mass media--Political aspects--Great Britain.
Press and politics--Great Britain--History--20th century.
Harvard subject headings:
Great Britain--Politics and government--1979-1997.
Great Britain--Politics and government.
Mass media--Political aspects--Great Britain
Press and politics--Great Britain--History--20th century.
Princeton subject headings:
Great Britain--Politics and government--1979-1997.
Mass media--Political aspects--Great Britain.
Press and politics--Great Britain--History--20th century.