
http://www.ips-journal.eu/regions/europe/article/show/battle-of-the-bulldogs-2063/

https://assets.publishing.service.gov.uk/government/uploads/system/uploads/attachment_data/file/868874/The_Future_Relationship_with_the_EU.pdf

https://www.theguardian.com/politics/ng-interactive/2019/sep/02/a-typical-hour-in-the-life-of-the-irish-border?ncid=newsletter-ukThe%20Waugh%20Zone%20%20Mon%20Sept%202&utm_campaign=newsletter-The%20Waugh%20Zone%20%20Mon%20Sept%202