
https://www.instituteforgovernment.org.uk/sites/default/files/publications/5890%20IFG%20-%20Whitehall%20Monitor%202018%20web.pdf

http://www.realclearworld.com/articles/2017/04/17/a_us-uk_trade_agreement_and_the_trump_re-election_campaign_112297.html

https://www.kas.de/de/veranstaltungsberichte/detail/-/content/vom-mauerfall-zur-migrationsfrage-30-jahre-deutsche-einheit-und-die-einheit-in-europa