http://www.kas.de/wf/doc/kas_450-2190-2-30.pdf?170424105349
https://www.iai.it/sites/default/files/9788893682367.pdf
https://www.propublica.org/article/honorary-consuls-diplomatic-immunity-key-takeaways?utm_source=sailthru&utm_medium=email&utm_campaign=majorinvestigations&utm_content=river
https://www.project-syndicate.org/commentary/russia-bleak-economic-prospects-by-kenneth-rogoff-2017-07