
http://www.conservativehome.com/thecolumnists/2017/05/christopher-howarths-guide-to-brexit-the-manifesto-must-convince-leavers-and-lock-in-our-escape-from-the-eu.html

https://blogs.lse.ac.uk/brexit/2019/12/03/a-missed-opportunity-revisiting-the-euro-referendum-that-never-was-from-a-historical-perspective/

https://www.instituteforgovernment.org.uk/sites/default/files/publications/IfG_Brexit_Euro_Court_Justice_WEB.pdf