- Billionaire David Koch, who plowed cash into conservative politics with his brother, has diedChicago Tribune
- Billionaire David Koch, Who Used His Wealth to Reshape U.S. Politics, Dies at 79The Wall Street Journal
- David Koch, billionaire businessman and influential GOP donor, diesCNN
- David Koch, Billionaire Who Fueled Right-Wing Movement, Dies at 79The New York Times
- David Koch, billionaire philanthropist and prolific GOP donor, dead at 79Fox News
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