Columbia subject headings:
Harvard subject headings:
England, North East--Economic conditions.
England, North East--Economic policy.
England, North East--Environmental conditions.
England, North East--Politics and government.
Environmental policy--England, North East.
Regional planning--England, North East.
Princeton subject headings:
England, North East--Economic conditions.
England, North East--Economic policy.
England, North East--Environmental conditions.
England, North East--Politics and government.
Environmental policy--England, North East.
Regional planning--England, North East.