Columbia subject headings:
Elections--Great Britain--History.
Great Britain. Parliament--Elections--History--Statistics.
Great Britain. Parliament--Elections--Statistics.
Harvard subject headings:
Elections--Great Britain--History
Elections--Great Britain--History--Statistics.
Great Britain. Parliament--Elections--History--Statistics.
Great Britain. Parliament--Elections--Statistics.
Princeton subject headings:
Elections--Great Britain--History.
Great Britain. Parliament--Elections--History--Statistics.
Great Britain. Parliament--Elections--Statistics.
Statistics.