http://www.cer.eu/sites/default/files/pb_ireland_brexit_6.7.17.pdf
https://ukandeu.ac.uk/wp-content/uploads/2020/06/Mind-the-values-gap.pdf
https://www.politico.eu/article/eu-uk-relations-rishi-sunak-brexit/
https://www.sussex.ac.uk/webteam/gateway/file.php?name=briefing-paper-1.pdf&site=18