
https://publications.parliament.uk/pa/bills/cbill/2019-2020/0007/20007.pdf

https://blogs.lse.ac.uk/europpblog/2023/04/13/ever-closer-union-and-the-philosophical-history-of-europe/

http://ukandeu.ac.uk/cancelling-brexit-what-would-happen-if-we-changed-our-mind-about-leaving-the-eu/