NYC mayoral candidate McGuire's has more ties to Koch brothers - New York Daily News
Before battling Obama, Koch siblings' spat was internal - Winnipeg Free Press
Who are the Koch brothers? - BBC News
The Koch Brothers - Exposed! - Rolling Stone
Charts: How Much Have the Kochs Spent on the 2012 Election? – Mother Jones
Obama accuses Koch brothers of un-American campaign to undermine green energy - Washington Times
Koch brothers group: We're Obama's bogeyman - The Washington Post
Oops, My Bad: Charles Koch Says He Regrets Dividing the Country, but Not Enough to Stop Funneling Shit Tons of Money to Republicans | Vanity Fair
David Koch Dies; Billionaire Industrialist Funded Conservative Causes : NPR
Barack Obama Shares His Last Letter to Harry Reid | PEOPLE.com
War of words: Obama v. Koch brothers
Charts: How Much Have the Kochs Spent on the 2012 Election? – Mother Jones
Obama team fires back at Koch brothers - The Washington Post
In Audio From a Koch Event, McConnell Envisions Undoing Obama Initiatives - The New York Times
David Koch and Charles Koch | TIME
Koch brothers compare Obama to Saddam Hussein, declare 2012 will be 'war' | Grist
The Koch Brothers Spent Twice as Much on the 2012 Election as the Top Ten Unions Combined | The Nation
Political activities of the Koch brothers - Wikipedia
Koch brothers send anti-Obama mail to employees
One Koch Brother Forces the Other Out of the Family Business | The New Yorker
Barack Obama singles out Koch brothers over fossil fuel lobbying | US politics | The Guardian
Sons of Wichita by Daniel Schulman | Grand Central Publishing
2020 presidential election: Why Koch network won't help Trump's bid
