https://institute.global/news/brexit-what-we-now-know
https://rusi.org/sites/default/files/briefingpaper-france-uk-2017.pdf
https://www.theguardian.com/politics/2017/nov/10/brexit-date-is-not-irreversible-says-man-who-wrote-article-50-lord-kerr
http://UK Brokenshire confirms no Executive in the ‘immediate term’ – Sinn Fein and the ...