https://ec.europa.eu/commission/presscorner/detail/ov/SPEECH_20_1655
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://ec.europa.eu/research/evaluations/pdf/archive/other_reports_studies_and_documents/hlg_2017_report.pdf
http://www.msz.gov.pl/en/news/deputy_minister_renata_szczech_takes_part_in_a_debate_on_europe_s_future