https://www.brookings.edu/wp-content/uploads/2017/09/4_alganetal.pdf
http://www.bertelsmann-stiftung.de/en/topics/aktuelle-meldungen/2017/september/germans-are-more-optimistic-about-their-future-than-their-european-neighbours/
https://www.brookings.edu/wp-content/uploads/2017/09/3_benediktsdottiretal.pdf
https://ec.europa.eu/commission/sites/beta-political/files/joint_table_citizens_rights_-_third_round.pdf
https://ec.europa.eu/commission/sites/beta-political/files/position-paper-intellectual-property-rights_en.pdf
https://ec.europa.eu/commission/sites/beta-political/files/use-data-protection-information_en.pdf
http://www.ips-journal.eu/regions/europe/article/show/lessons-for-the-left-2270/
https://ec.europa.eu/commission/sites/beta-political/files/guiding-principles-dialogue-ei-ni_en.pdf
http://www.ips-journal.eu/topics/european-union/article/show/reparations-and-the-crisis-of-polands-foreign-policy-2260/
https://ec.europa.eu/commission/sites/beta-political/files/position-paper-public-procurement_en.pdf