https://www.gov.uk/government/news/david-davis-speech-to-the-suddeutsche-zeitung-economic-summit
https://assets.publishing.service.gov.uk/government/uploads/system/uploads/attachment_data/file/704057/Policy_Note_-_Exceptions_and_Licences.pdf
https://www.project-syndicate.org/commentary/brexit-in-reverse-by-george-soros-2017-06?utm_source=Project+Syndicate+Newsletter&utm_campaign=2200ecc304-sunday_newsletter_25_6_2017&utm_medium=email&utm_term=0_73bad5b7d8-2200ecc304-105765449
https://ukandeu.ac.uk/wp-content/uploads/2020/05/UKICE-Post-Brexit-Gov-NI-Report.pdf