http://www.conservativehome.com/parliament/2016/04/theresa-mays-speech-on-brexit-full-text.html
http://www.libdems.org.uk/brexit-challenge-justice#
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
https://www.niauk.org/media-centre/blog/uk-explore-retaining-membership-euratom/