https://www.instituteforgovernment.org.uk/sites/default/files/publications/IfG_Brexit_customs_WEB.pdf
http://blogs.lse.ac.uk/brexit/2017/09/05/warning-the-cost-of-brexit-could-seriously-damage-your-health-service/
https://www.opendemocracy.net/uk/brexitinc/james-cusick-adam-ramsay-crina-boros/revealed-tory-mps-using-taxpayers-cash-to-fund-sec?utm_source=Daily+Newsletter&utm_campaign=bd60eeeba0-DAILY_NEWSLET
http://openeurope.org.uk/today/blog/will-brexit-ground-flights-europe/
http://www.russellgroup.ac.uk/media/5521/rg-international-students-june-2017.pdf
https://ec.europa.eu/commission/sites/beta-political/files/joint_table_citizens_rights_-_third_round.pdf
https://ec.europa.eu/commission/sites/beta-political/files/position-paper-intellectual-property-rights_en.pdf
https://ec.europa.eu/commission/sites/beta-political/files/use-data-protection-information_en.pdf
https://ec.europa.eu/commission/sites/beta-political/files/guiding-principles-dialogue-ei-ni_en.pdf
https://ec.europa.eu/commission/sites/beta-political/files/position-paper-public-procurement_en.pdf