References

British Electoral Facts 1989 – craig
Craig, Fred. 1989. British electoral facts, 1832-1987. Aldershot: Gower. — United Kingdom
British Electoral Facts 2006 – bef-7
Thrasher, Michael, and Colin Rallings. 2009. British electoral facts. Total Politics. — United Kingdom
British Political Facts – bpf
Butler, David, and Gareth Butler. 2010. British political facts. 10th ed. Palgrave Macmillan. — United Kingdom
Election Statistics: UK 1918-2007 – hcl-rp
Election Statistics: UK 1918-2007 – Research Paper 08/12 – House of Commons Library · United Kingdom
Electoral Commission – ec
The Electoral Commission (United Kingdom) · United Kingdom
European Parliament Elections 2014 – epe-rp
European Parliament Elections 2014 – Research Paper 14/32 – House of Commons Library · United Kingdom
Northern Ireland Elections – ark
Nicholas Whyte – Northern Ireland Elections · United Kingdom
The Times – times
The Times · United Kingdom
UK Office of the European Parliament – ukeu
The United Kingdom Office of the European Parliament. · United Kingdom