Trump: Republican donors the Koch brothers 'a total joke' - BBC News
The Koch Brothers Spent Twice as Much on the 2012 Election as the Top Ten Unions Combined | The Nation
Koch brothers brave the spotlight to try to alter their image
When Political Mega-Donors Join Forces: How the Koch Network and the Democracy Alliance Influence Organized U.S. Politics on the Right and Left | Studies in American Political Development | Cambridge Core
Koch's web of influence – Center for Public Integrity
Capital Rivals: Koch Brothers vs. George Soros • OpenSecrets
Charts: How Much Have the Kochs Spent on the 2012 Election? – Mother Jones
Koch brothers float possibility of backing congressional Democrats in 2020 primaries • OpenSecrets
Koch Network's LIBRE Initiative Running Ads Praising Democrats On Immigration : NPR
Koch brothers convene donor retreat as dark money spending set to soar | US political financing | The Guardian
Charts: How Much Have the Kochs Spent on the 2012 Election? – Mother Jones
Koch brothers affect donations to universities | University Park Campus News | collegian.psu.edu
At Least 1 in 4 Dark Money Dollars in 2012 Had Koch Links • OpenSecrets
David Koch - Wikipedia
Love the billionaire bucks flooding the 2020 elections? Thank Charles Koch | Lisa Graves | The Guardian
Capital Rivals: Koch Brothers vs. George Soros • OpenSecrets
Democrats find their answer to the Koch brothers - POLITICO
How David Koch and His Brother Shaped American Politics - The New York Times
Democratic senators probe the extent of Koch brothers' influence on Trump administration policy
Koch network floats backing Democrats in revamp of influence operation - POLITICO
David Koch, billionaire industrialist and libertarian activist, dies at 79
Political activities of the Koch brothers - Wikipedia
