
https://www.publications.parliament.uk/pa/ld201617/ldselect/ldeucom/78/78.pdf

https://www.politico.eu/article/time-for-brexit-reckoning-uk-eu-relationship/

https://institute.global/sites/default/files/2020-07/Tony%20Blair%20Institute%2C%20A%20Path%20to%20Brexit%20Agreement%2C%20July%202020.pdf