http://fedtrust.co.uk/brexitthe-conservative-centre-cannot-hold/
https://policyexchange.org.uk/wp-content/uploads/2017/07/After-Brexit-will-Ireland-be-next-to-exit-1.pdf
https://www.conservativehome.com/parliament/2018/07/our-brexit-plan-takes-back-control-of-money-laws-and-borders-and-heres-how-may-and-raabs-letter-to-conservative-mps.html