https://ec.europa.eu/commission/sites/beta-political/files/draft_withdrawal_agreement.pdf
http://www.conservativehome.com/parliament/2016/04/theresa-mays-speech-on-brexit-full-text.html
http://UK Brexit And The Exterminating Angel
http://www.ecfr.eu/page/-/Keeping_Europe_Safe_After_Brexit2.pdf