
https://www.gov.uk/government/news/programme-for-fourth-round-of-uk-eu-article-50-negotiations

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

http://www.lawsociety.org.uk/news/stories/leaving-in-an-orderly-fashion-our-approach-to-brexit/