https://www.gov.uk/government/speeches/eu-speech-at-bloomberg
http://www.libdems.org.uk/brexit-challenge-justice#
https://publications.parliament.uk/pa/cm201719/cmselect/cmcumeds/365/36503.htm
https://www.instituteforgovernment.org.uk/sites/default/files/publications/IfG_Brexit_Euro_Court_Justice_WEB.pdf