http://www.ips-journal.eu/regions/europe/article/show/free-spirits-2331/
https://www.brookings.edu/articles/what-is-at-stake-in-polands-election/
https://www.elysee.fr/emmanuel-macron/2019/03/04/pour-une-renaissance-europeenne
https://www.socialeurope.eu/wp-content/uploads/2019/10/Europe-2025-eBook.pdf