https://www.gov.uk/government/uploads/system/uploads/attachment_data/file/665871/December_-_Joint_technical_note_on_the_comparison_of_EU-UK_positions_on_citizens__rights.pdf
https://ec.europa.eu/commission/sites/beta-political/files/joint_report.pdf
https://www.rand.org/pubs/research_reports/RR2200.html
http://www.independent.co.uk/news/uk/politics/brexit-workers-rights-european-court-of-justice-ruling-conley-king-ecj-gig-economy-eu-a8082801.html
https://www.gov.uk/government/news/david-davis-concludes-visit-to-estonia
http://cer.eu/in-the-press/speech-michel-barnier-future-eu-conference
https://www.rte.ie/news/analysis-and-comment/2017/1117/920981-long-read-brexit/?utm_source=POLITICO.EU&utm_campaign=693f844ad1-EMAIL_CAMPAIGN_2017_11_20&utm_medium=email&utm_term=0_10959edeb5-693f844ad1-189647205
http://cep.lse.ac.uk/pubs/download/brexit11.pdf
https://www.gov.uk/government/publications/information-about-the-withdrawal-bill
https://www.gov.uk/government/news/david-davis-speech-to-the-suddeutsche-zeitung-economic-summit