https://www.independent.co.uk/voices/letters/letter-soros-and-quantum-fund-1370584.html
http://balder.org/judea/George-Soros-The-Secret-Financial-Network-Behind-The-Wizard–By-William-Engdahl.php
https://daytradergt.com/en/unknown-page-biography-of-george-soros/
https://www.telegraph.co.uk/finance/personalfinance/investing/8663995/George-Soros-closes-funds-the-letter-in-full.html