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

http://www.ecfr.eu/article/commentary_there_is_life_for_the_eu_after_brexit

https://www.gov.uk/government/uploads/system/uploads/attachment_data/file/680185/Governor_letter_to_CX_-_Feb_2018.pdf