Milliardär Charles Koch will den US-Präsidenten kaufen - WELT
Charles Koch unfortunately still alive - The Beaverton
Charles Koch offers partial regrets for his partisan ways | The Economist
Men on a mission: The Koch brothers and US conservatism | Americas | North and South American news impacting on Europe | DW | 10.05.2013
Charles Koch: Das Vermögen des Milliardärs 2022
Amerikas Konservative verlieren Großspender David Koch
What the Koch Brothers own — Quartz
Charles Koch's Book Urges 'Bottom-Up' Approach to Philanthropy
Kochland” Examines the Koch Brothers' Early, Crucial Role in Climate-Change Denial | The New Yorker
Tea Party backers David and Charles Koch sold oil equipment to Iran over U.S. ban : report - New York Daily News
Protest vs billionaire Koch Bros – tea party funders – in Palm Spring Jan. 30th
The billionaire Koch brothers: Tea Party puppetmasters? | The Week
Charles Koch bereut seine Tea Party-Unterstützung
Inside Charles and David Koch's Business Empire | Fortune
Charles Koch Net Worth | Celebrity Net Worth
Billionaire Charles Koch Regrets Funding the Tea Party: 'What a Mess!'
The Next Koch Doesn't Like Politics - POLITICO Magazine
'Boy, did we screw up there': Charles Koch now regrets backing the Tea Party
Charles Koch says he regrets funding the Tea Party because it gave rise to Donald Trump | Daily Mail Online
