https://www.syrianbritish.org/_files/ugd/3f0228_a983dda5e33c4d929bfd7681cd0b3563.pdf
https://www.politico.eu/article/spain-and-uk-reach-eleventh-hour-deal-to-avoid-a-hard-border-in-gibraltar/
https://ukandeu.ac.uk/the-future-of-the-uk-eu-relationship/?mc_cid=f8b68a972a&mc_eid=815b1928ec