Meet Julia Flesher Koch, Now One of the World's Richest Women
Sons of Wichita,' by Daniel Schulman - The New York Times
David & Libby Koch: Fight bank fees | The Advertiser
KOCH Newsroom | Charles Koch and David Koch Appear on MSNBC's Morning Joe
David Koch dies: Who are the Koch brothers?
David N. Koch - FullProfile von Schauspielervideos
David N. Koch - FullProfile von Schauspielervideos
David N. Koch - FullProfile von Schauspielervideos
File:Fred with David and Julia Koch (1518448020).jpg - Wikimedia Commons
David Koch's Nephew in Line to Take His Spot, Shift Away From Politics
Charles and David Koch | Biographies, Politics, & Facts | Britannica
Billionaire David Koch, conservative donor, dies at age 79 | MPR News
David Koch and Charles Koch by Karl Rove: TIME 100 | Time
Karl“ - short film - Home | Facebook
Inside Charles and David Koch's Business Empire | Fortune
David Koch's Nephew in Line to Take His Spot, Shift Away From Politics
David H. Koch, prominent supporter of cancer research at MIT, dies at 79 | MIT News | Massachusetts Institute of Technology
David N. Koch - FullProfile von Schauspielervideos
David N. Koch - FullProfile von Schauspielervideos
David and Julia Koch - The 10 wealthiest couples in the world - CNNMoney
David Koch - Wikipedia
Charles Koch - Wikipedia
