David Koch dies: Who are the Koch brothers?
Who are the Koch brothers? | PBS NewsHour
Charles Koch teams with black colleges on education and criminal justice research - The Washington Post
Charles and David Koch: billionaire donors in the line of fire | Financial Times
Charles and David Koch | Biographies, Politics, & Facts | Britannica
Koch and Co.
The Next Koch Doesn't Like Politics - POLITICO Magazine
David Koch, Billionaire Who Fueled Right-Wing Movement, Dies at 79 - The New York Times
David Koch Dies; Billionaire Industrialist Funded Conservative Causes : NPR
Billionaire conservative icon David Koch dies at 79 - ABC News
Umstrittener Mäzen David H. Koch ist tot | Monopol
KOCH Newsroom | Announcement from Charles Koch on David Koch's Retirement
Charles Koch & David Koch | TIME
How Charles and David Koch will wield their power in the 2016 race.
Twitter users - including Bette Midler - post cruel messages celebrating the death of David Koch | Daily Mail Online
The Koch Brothers' Covert Ops | The New Yorker
Seat Of Power: An Intimate Look Inside David Koch's Office
Charles Koch - Wikipedia
Repealing the Frontiers of Ignorance: Koch Industries Dividend Analysis: How Much Do Charles and David Koch Earn a Year?
How an Oil Theft Investigation Laid the Groundwork for the Koch Playbook - POLITICO Magazine
VOICES: Privatizing America for their majesty, Kings Charles and David Koch | Facing South
