Column: David Koch's real legacy is the dark money network of rich right-wingers - Los Angeles Times
Why the Koch brothers find higher education worth their money – Center for Public Integrity
Opinion | The Koch Brothers' Network - The New York Times
Koch Industries' campaign donations questioned after decision to remain in Russia
David Koch: Billionaire Republican donor dies aged 79 - BBC News
Charts: How Much Have the Kochs Spent on the 2012 Election? – Mother Jones
Charles Koch Has Given $1 Billion to Charity | Time
Koch Brothers Will Not Use Funds To Try To Block Donald Trump Nomination
Dark Money review: Nazi oil, the Koch brothers and a rightwing revolution | US political financing | The Guardian
Koch Brothers Money Hasn't Bought as Much as You Think
Trump: Republican donors the Koch brothers 'a total joke' - BBC News
Kochland': How The Famous Koch Brother Duo Made Their Money : NPR
/GettyImages-954343262-9ec5121578524bf7b40fc283330e4b06.jpg "7 Companies Owned by the Koch Brothers")
7 Companies Owned by the Koch Brothers
Koch Brothers - SourceWatch
Koch Brothers Net Worth: See Their Staggering Fortune
Five key ways the Koch brothers pushed their rightwing agenda | Koch brothers | The Guardian
Inside the Koch-Backed Effort to Block the Largest Election-Reform Bill in Half a Century | The New Yorker
From Funding Climate Deniers to Shadowy Groups, Koch Brothers Network Spent $400 Million in 2012 | Democracy Now!
Dark money | New Internationalist
Review: Jane Mayer's 'Dark Money,' About the Koch Brothers' Fortune and Influence - The New York Times
Behind the Curtain Exclusive: The Koch brothers' secret bank - POLITICO
What Is the Koch Brothers' Net Worth? See How They Spend Their Wealth
Dark Money: The Hidden History of the Billionaires Behind the Rise of the Radical Right: Mayer, Jane: 9780307947901: Books - Amazon
