*Montgomery, Jack (May 6, 2018). [https://www.breitbart.com/london/2018/05/06/polish-anti-communists-jordan-peterson-slam-eu-boss-marx-statue/ Jordan Peterson and Anti-Communist Groups Slam EU Boss for Marx Statue]. ''Breitbart News''. Retrieved May 6, 2018.</ref> | *Montgomery, Jack (May 6, 2018). [https://www.breitbart.com/london/2018/05/06/polish-anti-communists-jordan-peterson-slam-eu-boss-marx-statue/ Jordan Peterson and Anti-Communist Groups Slam EU Boss for Marx Statue]. ''Breitbart News''. Retrieved May 6, 2018.</ref> |