https://publications.parliament.uk/pa/cm201719/cmselect/cmcumeds/365/36503.htm
https://www.kcl.ac.uk/sspp/policy-institute/publications/What-sort-of-Brexit-do-the-British-people-want.pdf
https://www.gov.uk/government/news/david-davis-concludes-visit-to-estonia
http://www.telegraph.co.uk/news/0/tory-dup-deal-agreement-full/