David Koch, Billionaire Who Fueled Right-Wing Movement, Dies at 79 - The New York Times
David Koch, Billionaire Who Fueled Right-Wing Movement, Dies at 79 - The New York Times
How Charles and David Koch will wield their power in the 2016 race.
USA: Milliardäre Charles und David Koch helfen Republikanern vs. Obama - DER SPIEGEL
Gebrüder Koch: Diese milliardenschweren Brüder wollen den nächsten US-Präsidenten bestimmen - FOCUS Online
Charles and David Koch | Biographies, Politics, & Facts | Britannica
Seat Of Power: An Intimate Look Inside David Koch's Office
KOCH Newsroom | Brothers yes, but Charles and David Koch are not "brainless robots"
David Koch and Charles Koch | TIME
David und Charles Koch investieren in „Time“-Verlag: In die Höhle des Löwen
Trump: Republican donors the Koch brothers 'a total joke' - BBC News
KOCH Newsroom | Charles Koch on the passing of his brother, David Koch
Charles Koch & David Koch | TIME
David Koch Biography, Age, Wife, Illness, Death, Theatre, & Net Worth
The Next Koch Doesn't Like Politics - POLITICO Magazine
David Koch, Influential Conservative Billionaire, Dead At 79 | Vanity Fair
What Is the Koch Brothers' Net Worth? See How They Spend Their Wealth
Who are the Koch brothers? - BBC News
David Koch's Nephew in Line to Take His Spot, Shift Away From Politics
Budget for Charles and David Koch-backed network: almost $1 billion for 2016 | Daily Mail Online
Charles and David Koch | Biographies, Politics, & Facts | Britannica
Conservative billionaire David Koch dies aged 79 | Financial Times
What do Charles and David Koch want? - Lawyers, Guns & Money
The Koch Brothers Have Started a New Family Office to Quietly Invest Their Fortune | Wealth Management
David Koch - Wikipedia
Charles Koch bereut seine Tea Party-Unterstützung
