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

https://ukandeu.ac.uk/wp-content/uploads/2020/03/Parliament-and-Brexit-report.pdf

https://ukandeu.ac.uk/explainers/eu-switzerland-negotiations-agreement/?mc_cid=1b270f9c56&mc_eid=815b1928ec