USA: Milliardäre Charles und David Koch helfen Republikanern vs. Obama - DER SPIEGEL
Detroit, Michigan - ambientalistas y residentes del suroeste de Detroit oponerse al vertimiento de petcoke en su comunidad. Coque de petróleo (coque de petróleo) es el residuo después de arenas de alquitrán
![Biografía] Los Koch, la familia más rica y poderosa de los Estados Unidos - Tentulogo](https://tentulogo.com/wp-content/uploads/BASE-CABECERA-POST-BLOG-1.jpg "Biografía] Los Koch, la familia más rica y poderosa de los Estados Unidos - Tentulogo")
Biografía] Los Koch, la familia más rica y poderosa de los Estados Unidos - Tentulogo
:quality(75)/arc-anglerfish-arc2-prod-elcomercio.s3.amazonaws.com/public/ELXSCRDKCJDYBJUA5AQEDBVGJI.jpg "David Koch, donante multimillonario de causas republicanas, muere a los 79 años | MUNDO | GESTIÓN")
David Koch, donante multimillonario de causas republicanas, muere a los 79 años | MUNDO | GESTIÓN
Column: How MIT whitewashed the actions of alumnus David Koch - Los Angeles Times
Who are the Koch brothers? - BBC News
The Next Koch Doesn't Like Politics - POLITICO Magazine
Charles and David Koch - ABC News (Australian Broadcasting Corporation)
Los Koch y la gran farsa de la democracia en EEUU | ContraInfo.Com
KOCH Newsroom | Charles Koch and David Koch Appear on MSNBC's Morning Joe
David Koch's Nephew in Line to Take His Spot, Shift Away From Politics
KOCH Newsroom | Announcement from Charles Koch on David Koch's Retirement
What do Charles and David Koch want? - Lawyers, Guns & Money
David Koch, billionaire industrialist who influenced conservative politics, dies at 79 - The Washington Post
David and Charles Koch - Who Will Be TIME's 2010 Person of the Year? - TIME
2020 presidential election: Why Koch network won't help Trump's bid
David Koch - Wikipedia
Meet Julia Flesher Koch, Now One of the World's Richest Women
KOCH Newsroom | Brothers yes, but Charles and David Koch are not "brainless robots"
The Koch Brothers Used Their Fortune to Power a Conservative Crusade
Opinion | David Koch Was the Ultimate Climate Change Denier - The New York Times
The shunned, possibly gay Koch brother no one knows about
Charles and David Koch | Biographies, Politics, & Facts | Britannica
Charles Koch - Wikipedia, la enciclopedia libre
