https://worldjusticeproject.org/rule-of-law-index/downloads/INDEX_2022-digital.pdf
https://www.bertelsmann-stiftung.de/fileadmin/files/BSt/Publikationen/GrauePublikationen/20200325_PEPP_GrundII.pdf
https://www.jean-jaures.org/wp-content/uploads/2023/10/Forging_Europes_Leadership.pdf
http://news.sky.com/story/theresa-may-eu-trying-to-influence-general-election-with-threats-10861584