https://policyscotland.gla.ac.uk/blog-sir-ivan-rogers-speech-text-in-full/
http://www.nhsconfed.org/-/media/Confederation/Files/public-access/Securing-the-future.pdf?dl=1
https://publications.parliament.uk/pa/bills/cbill/2017-2019/0005/18005.pdf
http://cdn.budgetresponsibility.org.uk/July_2017_Fiscal_risks.pdf