https://blogs.lse.ac.uk/brexit/2019/10/23/long-read-the-makings-of-brexit-and-the-road-ahead/
https://www.gov.uk/government/uploads/system/uploads/attachment_data/file/682894/Draft_Text_for_Discussion_-_Implementation_Period__1_.pdf
http://Position paper transmitted to EU27 on Ongoing Union Judicial and Administrative Procedures
http://www.cer.eu/sites/default/files/pb_ireland_brexit_6.7.17.pdf