https://share.trin.cam.ac.uk/sites/public/Comms/Rogers_brexit_as_revolution.pdf
http://cep.lse.ac.uk/pubs/download/brexit11.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
https://www.gov.uk/government/speeches/commonwealth-has-key-role-to-play-in-the-bright-future-for-britain-article-by-boris-johnson