https://www.ipg-journal.de/interviews/artikel/der-osten-hat-sich-entliebt-4097/
https://www.wilsoncenter.org/blog-post/helmut-kohl-collection-new-resource-post-cold-war-history
https://www.socialeurope.eu/2017/06/the-case-for-an-investment-state/
https://www.bloomberg.com/news/articles/2017-07-21/polish-lawmakers-to-push-on-with-court-revamp-despite-protests