
https://centreonconstitutionalchange.ac.uk/sites/default/files/2021-04/Union%20at%20the%20Crossroads.pdf

http://www.independent.co.uk/news/uk/politics/article-127-brexit-stop-what-is-it-single-market-eu-eea-theresa-may-article-50-a7955806.html

http://www.belfasttelegraph.co.uk/news/general-election-2017/comment/brexit-is-neither-a-partitionmaker-nor-a-partitionbreaker-that-decision-will-rest-with-northern-ireland-voters-35684229.html