Columbia subject headings:
Elections--Great Britain.
Great Britain--Politics and government.
Political parties--Great Britain.
Referendum--Great Britain.
Representative government and representation--Great Britain.
Harvard subject headings:
Elections--Great Britain
Great Britain--Politics and government.
Political parties--Great Britain
Referendum--Great Britain.
Representative government and representation--Great Britain
Princeton subject headings:
Elections--Great Britain.
Great Britain--Politics and government.
Political parties--Great Britain.
Referendum--Great Britain.
Representative government and representation--Great Britain.