http://fedtrust.co.uk/our-work-on-europe/there-may-be-trouble-ahead-brexit-after-the-election/
http://www.conservativehome.com/platform/2017/05/neale-richmond-no-deal-between-britain-and-the-eu-would-be-a-disaster-for-ireland.html
https://dbei.gov.ie/en/Publications/Publication-files/Ireland-and-the-Impacts-of-Brexit.pdf