
http://fedtrust.co.uk/the-2017-general-election-a-mandate-for-brexit/

https://blogs.lse.ac.uk/brexit/2021/02/04/indyref2-scottish-independence-would-be-2-3-times-more-costly-than-that-of-brexit-and-rejoining-the-eu-wouldnt-make-up-the-difference/

https://www.socialeurope.eu/wp-content/uploads/2018/05/BP1-Devolution.pdf