https://www.hrw.org/news/2017/05/15/eu-should-step-pressure-poland
http://www.standard.co.uk/news/politics/boris-johnson-backed-by-ukip-in-general-election-a3530371.html
http://library.fes.de/pdf-files/bueros/athen/13572.pdf
https://www.ombudsman.europa.eu/en/doc/correspondence/en/165342