https://www.instituteforgovernment.org.uk/sites/default/files/publications/International-civil-service-effectiveness-index-July-17.pdf
https://yougov.co.uk/news/2017/08/30/brits-are-more-likely-have-been-paris-edinburgh/
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
http://www.ips-journal.eu/regions/europe/article/show/lessons-for-the-left-2270/
http://www.ips-journal.eu/topics/european-union/article/show/reparations-and-the-crisis-of-polands-foreign-policy-2260/
https://www.fawcettsociety.org.uk/Handlers/Download.ashx?IDMF=bb90467f-174b-4f68-801a-4ae04e4fd33c
https://www.opendemocracy.net/can-europe-make-it/manuel-nunes-ramires-serrano-g-rald-sousa-mendes/save-jews-portugal-holocaust?utm_source=Daily+Newsletter&utm_campaign=5f79e9b376-DAILY_NEWSLETTER_MAILCHIMP&utm_medium=email&utm_term=0_717bc5d86d-5f79e9b376-407405485
http://www.bbc.com/news/business-41160748