https://ec.europa.eu/commission/sites/beta-political/files/citizens-rights-essential-principles-draft-position-paper_en.pdf
http://blogactiv.eu/blog/2012/05/15/stumbling-towards-the-brexit/
https://www.sussex.ac.uk/webteam/gateway/file.php?name=briefing-paper-1.pdf&site=18
http://www.lawyersforbritain.org/eu-deal-financial-liabilities.shtml
https://royalsociety.org/~/media/policy/Publications/2017/2017-05-technopolis-role-of-EU-funding-report.PDF
http://www.niesr.ac.uk/sites/default/files/publications/NIESR%20GE%20Briefing%20Paper%20No.%204%20-%20Agriculture%20in%20the%20UK_0.pdf
http://www.libdems.org.uk/brexit-challenge-justice#
http://www.wsta.co.uk/images/Brexit/Brexit_FINAL.pdf
https://cer.org.uk/sites/default/files/bulletin_114_js_st_article1.pdf
https://lif.blob.core.windows.net/lif/docs/default-source/default-library/170427-final-trade-blueprintweb.pdf?sfvrsn=0