http://fedtrust.co.uk/after-the-election-comes-the-painful-brexit-reality/
http://letter_to_department_for_exiting_the_european_union_to_publish_the_findings_of_the_analysis_it_has_carried_out_of_the_impact_of_different_brexit_outcomes_for_the_uk_economy
http://The EU Won’t Help a Weakened Theresa May
https://ec.europa.eu/commission/sites/beta-political/files/draft_withdrawal_agreement.pdf