
http://www.conservativehome.com/parliament/2016/04/theresa-mays-speech-on-brexit-full-text.html

https://www.instituteforgovernment.org.uk/explainers/eu-withdrawal-bill-amendments-and-debates

https://www.bloomberg.com/news/articles/2019-09-11/world-s-oldest-customs-union-and-u-k-reach-a-post-brexit-deal