Charles and David Koch: The men who tried to buy America | The Independent | The Independent
KOCH Newsroom | Announcement from Charles Koch on David Koch's Retirement
Who are the Koch brothers? | PBS NewsHour
KOCH Newsroom | Brothers yes, but Charles and David Koch are not "brainless robots"
How US billionaires are fuelling the hard-right cause in Britain | George Monbiot | The Guardian
How Charles and David Koch Plan to Remake the Republican Party
Charles & David Koch: Run the Republican Party | Gentleman's Journal
Charles and David Koch: billionaire donors in the line of fire | Financial Times
Inside Charles and David Koch's Business Empire | Fortune
Koch Industries: Secretly Funding the Climate Denial Machine - Greenpeace USA
What Is the Koch Brothers' Net Worth? See How They Spend Their Wealth
Industrialist and Philanthropist David H. Koch Dies | Philanthropy news | PND
Dark Money review: Nazi oil, the Koch brothers and a rightwing revolution | US political financing | The Guardian
KOCH Newsroom | Charles Koch on the passing of his brother, David Koch
Koch brothers under attack by leftwing film-maker | US politics | The Guardian
What Is the Koch Brothers' Net Worth? See How They Spend Their Wealth
Charles Koch Has Given $1 Billion to Charity | Time
David Koch, Billionaire Who Fueled Right-Wing Movement, Dies at 79 - The New York Times
David Koch spent billions giving back to charity, here's where it all went | Fox Business
The Brothers Koch: Rich, Political And Playing To Win : NPR
Charles Koch - Wikiwand
Twitter users - including Bette Midler - post cruel messages celebrating the death of David Koch | Daily Mail Online
The Koch Brothers' Covert Ops | The New Yorker
Koch vs. Koch: The Brutal Battle That Tore Apart America's Most Powerful Family – Mother Jones
What Is the Koch Brothers' Net Worth? See How They Spend Their Wealth
How the Koch brothers fundamentally changed modern politics | CNN Politics
