John Jay College rejects money from Koch brothers
David Koch, Billionaire Who Fueled Right-Wing Movement, Dies at 79 - The New York Times
Koch vs. Koch: The Brutal Battle That Tore Apart America's Most Powerful Family – Mother Jones
Who are the Koch brothers? - BBC News
David Koch and Charles Koch by Karl Rove: TIME 100
David Koch: US-Milliardär im Alter von 79 Jahren gestorben - manager magazin
The Kochs Are Inching Closer to Becoming Media Moguls - The New York Times
Donald Trump gegen die Koch-Brüder: Diese Fehde gefährdet seine Macht | STERN.de
How Charles and David Koch Plan to Remake the Republican Party
The Next Koch Doesn't Like Politics - POLITICO Magazine
Who are the Koch brothers? - BBC News
Amerikanische Milliardäre: Charles und David Koch
Who are the Koch brothers? | PBS NewsHour
Koch-funded super PAC may back Democratic incumbents against progressive challengers | Salon.com
Charles Koch & David Koch | TIME
Charles and David Koch: billionaire donors in the line of fire | Financial Times
Charles and David Koch | Biographies, Politics, & Facts | Britannica
Charles Koch - Wikipedia
How Charles and David Koch will wield their power in the 2016 race.
What Is the Koch Brothers' Net Worth? See How They Spend Their Wealth
David Koch, Billionaire Who Fueled Right-Wing Movement, Dies at 79 - The New York Times
&hash=ffb599923712b0519342357a29705507cd929ae02083d073056dd6a742cbe8d5 "US-Milliardär David Koch stirbt mit 79 und hinterlässt ein schreckliches Vermächtnis - Finanzen100")
US-Milliardär David Koch stirbt mit 79 und hinterlässt ein schreckliches Vermächtnis - Finanzen100
What Is the Koch Brothers' Net Worth? See How They Spend Their Wealth
David Koch Net Worth 2021 - David Koch Has Died
David Koch - Wikipedia
