http://fedtrust.co.uk/our-work-on-europe/there-may-be-trouble-ahead-brexit-after-the-election/
https://www.gov.uk/guidance/status-of-eu-nationals-in-the-uk-what-you-need-to-know
http://visual.ons.gov.uk/trading-places-uk-goods-trade-with-eu-partners/
https://institute.global/sites/default/files/articles/Fixing-the-Northern-Ireland-Protocol-A-Way-Forward.pdf