Meet Julia Flesher Koch, Now One of the World's Richest Women
John Jay College rejects money from Koch brothers
Amerikanische Milliardäre: Charles und David Koch
Conservative Philanthropist David Koch Dead at 79 | Diverse: Issues In Higher Education
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
Soros und Koch: Die ungewöhnlichste Allianz des Jahres - news.ORF.at
Charles Koch & David Koch | TIME
David Koch: Milliardär und Großspender der Republikaner ist tot - DER SPIEGEL
Charles and David Koch | Biographies, Politics, & Facts | Britannica
Gebrüder Koch: Diese milliardenschweren Brüder wollen den nächsten US-Präsidenten bestimmen - FOCUS online
David Koch and Charles Koch by Karl Rove: TIME 100
What Is the Koch Brothers' Net Worth? See How They Spend Their Wealth
Koch vs. Koch: The Brutal Battle That Tore Apart America's Most Powerful Family – Mother Jones
David Koch Net Worth 2021 - David Koch Has Died
All About The Koch Brothers - Charles and David Koch - YouTube
One Koch Brother Forces the Other Out of the Family Business | The New Yorker
Donald Trump gegen die Koch-Brüder: Diese Fehde gefährdet seine Macht | STERN.de
USA: Milliardäre Charles und David Koch helfen Republikanern vs. Obama - DER SPIEGEL
The Koch brothers are "all in" for 2018 with plans to spend up to $400 million | Salon.com
Charles & David Koch: Run the Republican Party | Gentleman's Journal
Who are the Koch brothers? - BBC News
Who are the Koch brothers? | PBS NewsHour
How Charles and David Koch will wield their power in the 2016 race.
