https://socialeurope.eu/a-european-solidarity-pact
http://The EU Won’t Help a Weakened Theresa May
https://www.bankofengland.co.uk/-/media/boe/files/speech/2018/folk-wisdom-speech-by-andy-haldane.pdf?la=en&hash=DA3CC381EAC763701787B79E68013BE7BB2D2C52
https://ec.europa.eu/epsc/sites/epsc/files/epsc_brief_passerelles_2.pdf?utm_source=POLITICO.EU&utm_campaign=042aa4f2be-EMAIL_CAMPAIGN_2019_01_16_02_43&utm_medium=email&utm_term=0_10959edeb5-042aa4f2be-190380769