https://www.socialeurope.eu/2017/07/road-soft-brexit/
http://www.cer.org.uk/sites/default/files/insight_js_st_9.6.17.pdf
https://ec.europa.eu/commission/sites/beta-political/files/use-data-protection-information_en.pdf
https://ukandeu.ac.uk/the-windsor-framework-where-have-all-the-rebels-gone/