http://www.epc.eu/documents/uploads/pub_7576_northernirelandandbrexit.pdf
http://europa.eu/rapid/press-release_MEMO-17-2001_en.htm
http://www.ibec.ie/IBEC/Press/PressPublicationsdoclib3.nsf/vPages/Newsroom~uk%27s-brexit-approach-risks-damaging-uk-irish-relations-17-01-2017/%24file/Brexit+Priorities+Report.pdf
https://ukandeu.ac.uk/wp-content/uploads/2021/09/Global-Britain-views-from-abroad.pdf