David und Charles Koch investieren in „Time“-Verlag: In die Höhle des Löwen
Kochs to double election spending in 2016 | Financial Times
The Koch Brothers' Covert Ops | The New Yorker
The Koch brothers vs. God | Salon.com
Meet Julia Flesher Koch, Now One of the World's Richest Women
Trump tariffs could trigger U.S. recession, billionaire Charles Koch tells GOP ranks | The Japan Times
David Koch Kids & Family: 5 Fast Facts You Need to Know | Heavy.com
David Koch, Billionaire Who Fueled Right-Wing Movement, Dies at 79 - The New York Times
Charles G. Koch – Wikipedia
Charles and David Koch - TheXtraordinary
Charles and David Koch: billionaire donors in the line of fire | Financial Times
David Koch: US-Milliardär im Alter von 79 Jahren gestorben - manager magazin
KOCH Newsroom | Celebrating David Koch's life and legacy
Charles and David Koch - ABC News (Australian Broadcasting Corporation)
The Next Koch Doesn't Like Politics - POLITICO Magazine
David H. Koch – Wikipedia
One Koch Brother Forces the Other Out of the Family Business | The New Yorker
David Koch Net Worth 2021 - David Koch Has Died
What Is the Koch Brothers' Net Worth? See How They Spend Their Wealth
Samuel Ramey, Charles Koch and David Koch attend New York City... ニュース写真 - Getty Images
Billionaire conservative icon David Koch dies at 79 - ABC News
KOCH Newsroom | Charles Koch on the passing of his brother, David Koch
Twitter users - including Bette Midler - post cruel messages celebrating the death of David Koch | Daily Mail Online
Charles und David Koch: Unsichtbare Wahlkämpfer - Politik - SZ.de
Charles Koch & David Koch | TIME
David Koch, Billionaire Who Fueled Right-Wing Movement, Dies at 79 - The New York Times
