West's biggest error was to ditch Gorbachev for Boris Yeltsin - The Irish News
KUOW - How 'shock therapy' created Russian oligarchs and paved the path for Putin
What is an oligarch? The circle of businessmen who made their wealth after the fall of the Soviet Union - ABC News
Russian oligarchs - Wikipedia
The U.S. sanctions on Russian oligarchs miss the richest of rich : NPR
Boris Yeltsin | Biography & Facts | Britannica
Boris Yeltsin - Wikipedia
Russia billionaires: Richest Russian oligarchs wey dey face sanctions sake of Russia-Ukraine war and why - BBC News Pidgin
Boris Yeltsin - Wikipedia
Ex- Russian President Boris Yeltsin's son-in-law quits as Putin's 'unsalaried' adviser | Russia Ukraine Crisis
Boris Yeltsin Net Worth | Celebrity Net Worth
Vladimir Putin's Net Worth Revealed
Boris Yeltsin | Biography & Facts | Britannica
How Much Is Vladimir Putin Worth, and How Does He Spend It?
What is Vladimir Putin's net worth? | Daily Mail Online
How Roman Abramovich made his first fortune | The Gentleman's Journal
US sanctions on Russian oligarchs miss richest of rich
Rem Vyakhirev, Former Chief of Gazprom, Dies at 78 - The New York Times
Boris Yeltsin - Wikipedia
The U.S. needs to sanction Russian oligarchs, not the Russian people – Inklings News
Meet Vladimir Potanin, Richest Man in Russia: Net Worth, Yachts, and More
Opinion: How the West chose capitalism over democracy in Russia — and paved the way for a kleptocratic nationalist to wage war - MarketWatch
Was Boris Yeltsin a better president than Vladimir Putin? - Quora
Boris Yeltsin Net Worth | Celebrity Net Worth
Boris Yeltsin: The Decade that Shook the World | Glagoslav Publications
The Enigmatic Mr. Putin | Harvard Magazine
