
https://ukandeu.ac.uk/boris-johnsons-brexit-deal-whats-in-it-and-how-is-it-different-to-theresa-mays-version/

https://www.socialeurope.eu/wp-content/uploads/2018/05/BP1-Devolution.pdf

https://publications.parliament.uk/pa/bills/cbill/2017-2019/0005/18005.pdf