http://www.ftseglobalmarkets.com/news/uk-pension-deficits-rise-to-£145bn-liabilities-at-record-high.html
http://www.mirror.co.uk/news/politics/what-2017-general-election-manifestos-10296247
http://www.standard.co.uk/news/politics/boris-johnson-backed-by-ukip-in-general-election-a3530371.html
https://www.theguardian.com/politics/2017/may/04/brexit-talks-leadership-vacuum-leaves-45-chance-of-no-deal
http://www.cityam.com/259289/tony-blairs-brexit-open-britain-speech-full
https://www.socialeurope.eu/2017/05/smooth-brexit-interests-germany-much-uk/
https://www.greatbritishpolitics.co.uk/europe/654-dual-nationality-and-the-hurdles-facing-britons-who-want-to-keep-eu-citizenship-after-brexit.html
http://www.aviationlaw.eu/wp/wp-content/uploads/2013/09/Freedoms-of-the-Air-Explained.pdf
https://www.theengineer.co.uk/how-the-uk-aerospace-can-fly-post-brexit/
https://fullfact.org/europe/how-many-free-trade-deals-has-eu-done/