https://ukandeu.ac.uk/coalition-in-the-republic-of-ireland-more-continuity-than-change/
https://www.opendemocracy.net/can-europe-make-it/kieran-oberman/does-catalonia-have-right-to-secede?utm_source=Daily+Newsletter&utm_campaign=9960ef2d4f-DAILY_NEWSLETTER_MAILCHIMP&utm_medium=email&utm_term=0_717bc5d86d-9960ef2d4f-407405485
https://www.strategie.gouv.fr/sites/strategie.gouv.fr/files/atoms/files/fs-na75-2019-europe-sociale-3avril.pdf
https://www.otto-brenner-stiftung.de/fileadmin/user_data/stiftung/Aktuelles/AH93/AH_93_Haller_Web.pdf