David H. Koch Dead: Billionaire Philanthropist, Activist Dies at 79 – ARTnews.com
The David H. Koch Center
David Koch Biography - Facts, Childhood, Family Life & Achievements
David Koch's donations helped positively shape New York City
David H. Koch Foundation | Official Site
The Koch Brothers' Covert Ops | The New Yorker
David H. Koch - SourceWatch
David Koch spent billions giving back to charity, here's where it all went | Fox Business
David Koch - Wikipedia
David H. Koch (@DavidHKoch) / Twitter
Koch Jr.: Art Pope and the right's million dollar club | Facing South
David Koch Dies at Age 79 | Money
The Koch brothers' foundation network explained – Center for Public Integrity
Koch Family Foundations - DeSmog
Charles Koch - Wikipedia
David Koch Dies; Billionaire Industrialist Funded Conservative Causes : NPR
David Koch Biography - Facts, Childhood, Family Life & Achievements
Billionaire conservative icon David Koch dies at 79 - ABC News
All About Charles G. Koch - PeaNich
Charles Koch Has Given $1 Billion to Charity | Time
David H. Koch, New York's Richest Resident, Pledges $100 Million to Renovate New York State Theater - The New York Times
David Koch, Billionaire Who Fueled Right-Wing Movement, Dies at 79 - The New York Times
