(页面存档备份,存于互联网档案馆) Full text of the bill as introduced to the HouseofCommons (页面存档备份,存于互联网档案馆) Research paper by the HouseofCommonsLibrary (页面存档备份,存于互联网档案馆)
–通过www.bbc.co.uk. Commons Briefing Paper 7979. General Election 2017: results and analysis (PDF) Second. HouseofCommonsLibrary. 29 January 2019. (原始内容存档
Hardacre, J.; Tetteh, E. 2001 Census of Population: Statistics for Parliamentary Constituencies (PDF). HouseofCommonsLibrary. 30 January 2004: 58. (原始内容 (PDF)存档于2009年2月25日)