http://en.euabc.com/upload/rfConstitution_en.pdf
http://cer.eu/sites/default/files/report_relaunching_eu_nov17.pdf
https://www.politico.eu/article/carles-puigdemont-catalonia-independence-spain-election-pedro-sanchez-alberto-nunez-feijoo/
https://www.foederalist.eu/2023/03/laszlo-detre-rule-of-law-crisis.html