David Koch: US-Milliardär im Alter von 79 Jahren gestorben - manager magazin
Charles and David Koch - ABC News (Australian Broadcasting Corporation)
David und Charles Koch investieren in „Time“-Verlag: In die Höhle des Löwen
Charles and David Koch: billionaire donors in the line of fire | Financial Times
How Charles and David Koch will wield their power in the 2016 race.
Meet Julia Flesher Koch, Now One of the World's Richest Women
Ex-guard: Dying billionaire David Koch's wife mistreated him - New York Daily News
The Next Koch Doesn't Like Politics - POLITICO Magazine
David Koch Net Worth 2021 - David Koch Has Died
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
Kochs to double election spending in 2016 | Financial Times
Who are the Koch brothers? | PBS NewsHour
Charles and David Koch - TheXtraordinary
Samuel Ramey, Charles Koch and David Koch attend New York City... ニュース写真 - Getty Images
The Brothers Koch: Rich, Political And Playing To Win : NPR
Twitter users - including Bette Midler - post cruel messages celebrating the death of David Koch | Daily Mail Online
KOCH Newsroom | Announcement from Charles Koch on David Koch's Retirement
KOCH Newsroom | Celebrating David Koch's life and legacy
David Koch and Charles Koch | TIME
Charles Koch bereut seine Tea Party-Unterstützung
David Koch Kids & Family: 5 Fast Facts You Need to Know | Heavy.com
The Koch Brothers' Covert Ops | The New Yorker
Who are the Koch brothers? - BBC News
David Koch, Billionaire Who Fueled Right-Wing Movement, Dies at 79 - The New York Times
Billionaire conservative icon David Koch dies at 79 - ABC News
Charles Koch & David Koch | TIME
The Koch brothers vs. God | Salon.com
Charles G. Koch – Wikipedia
David Koch, Billionaire Who Fueled Right-Wing Movement, Dies at 79 - The New York Times
