Charles Koch & David Koch | TIME
Trump: Republican donors the Koch brothers 'a total joke' - BBC News
Koch vs. Koch: The Brutal Battle That Tore Apart America's Most Powerful Family – Mother Jones
Meet Julia Flesher Koch, Now One of the World's Richest Women
Who are the Koch brothers? | PBS NewsHour
Charles and David Koch | Biographies, Politics, & Facts | Britannica
What Is the Koch Brothers' Net Worth? See How They Spend Their Wealth
Kochs to double election spending in 2016 | Financial Times
Budget for Charles and David Koch-backed network: almost $1 billion for 2016 | Daily Mail Online
The Next Koch Doesn't Like Politics - POLITICO Magazine
How Charles and David Koch will wield their power in the 2016 race.
How Charles and David Koch Plan to Remake the Republican Party
Charles und David Koch: Unsichtbare Wahlkämpfer - Politik - SZ.de
David und Charles Koch investieren in „Time“-Verlag: In die Höhle des Löwen
David Koch, Billionaire Who Fueled Right-Wing Movement, Dies at 79 - The New York Times
What Is the Koch Brothers' Net Worth? See How They Spend Their Wealth
David Koch's Ex: 'I Was Just One of Many Girls' | Observer
David Koch and Charles Koch | TIME
David Koch Death: Koch Family Has Invested in These 4 Tech Sectors | Observer
Koch and Co.
One Koch Brother Forces the Other Out of the Family Business | The New Yorker
David Koch - Wikipedia
KOCH Newsroom | Charles Koch on the passing of his brother, David Koch
Charles G. Koch – Wikipedia
