https://www.sussex.ac.uk/webteam/gateway/file.php?name=briefing-paper-1.pdf&site=18
https://www.brookings.edu/articles/instrument-of-order/
https://blog.bestforbritain.org/index.php/blog/polling-shows-no-brexit-definitely-better-bad-brexit/
https://theconversation.com/if-something-can-happen-once-it-can-happen-again-dennis-glovers-reading-of-history-sounds-an-alarm-about-the-present-236306