Columbia subject headings:
Elections--Ireland--Statistics.
European Parliament--Elections--Statistics.
Ireland. Parliament--Elections--Statistics.
Northern Ireland. Parliament. House of Commons--Elections--Statistics.
Harvard subject headings:
Elections--Ireland--Statistics
Great Britain. Parliament--Elections--Statistics.
Ireland. Oireachtas--Elections--History.
Princeton subject headings:
Elections--Ireland--Statistics.
European Parliament--Elections--Statistics.
Great Britain. Parliament--Elections--Statistics.
Ireland. Parliament--Elections--Statistics.
Northern Ireland. Parliament. House of Commons--Elections--Statistics.
Statistics.