
http://www.rothstein.dinstudio.se/files/Rothstein_Why_not_in_Sweden_v._10.pdf

http://www.bsa.natcen.ac.uk/latest-report/british-social-attitudes-34/key-findings/context.aspx?_ga=2.25464057.552181158.1498632950-1412959047.1496247036

https://www.politico.eu/article/eu-court-upholds-320-million-fine-against-poland-violating-rule-of-law/