
http://www.reuters.com/article/us-britain-eu-verhofstadt-idUSKBN19V0WP

https://publications.parliament.uk/pa/cm201719/cmselect/cmfaff/780/780.pdf

https://blogs.lse.ac.uk/brexit/2020/02/26/long-read-from-anglo-irish-to-british-irish-relations-whats-next/