https://ukandeu.ac.uk/wp-content/uploads/2019/12/Brexit-the-manifestos-uncovered.pdf
http://UK Brokenshire confirms no Executive in the ‘immediate term’ – Sinn Fein and the ...
https://publications.parliament.uk/pa/ld5801/ldselect/ldeucom/4/4.pdf
http://visual.ons.gov.uk/trading-places-uk-goods-trade-with-eu-partners/