https://www.socialeurope.eu/2017/05/dismantling-democracy-eus-watch-poland-constitutional-tribunal/
https://fpc.org.uk/wp-content/uploads/2020/12/Unsafe-for-Scrutiny-December-2020-publication.pdf
https://theconversation.com/does-spanish-nationalism-exist-209052
https://eur-lex.europa.eu/legal-content/EN/TXT/PDF/?uri=COM:2020:825:FIN&from=en