
https://blogs.lse.ac.uk/brexit/2021/04/13/the-totality-of-uk-irish-relations/

https://www.socialeurope.eu/evaluating-democracy-the-rule-of-law-and-fundamental-rights-in-the-eu

https://www.bertelsmann-stiftung.de/fileadmin/files/BSt/Publikationen/imported/leseprobe/1_974_Leseprobe.pdf