Frederick Koch, l'art discret du mécénat - Le Quotidien de l'Art
Repealing the Frontiers of Ignorance: How Bill and Frederick Koch Walked Away From Billions from Koch Industries
Frederick Koch, Who Spurned Family Business, Dies at 86 - The New York Times
The shunned, possibly gay Koch brother no one knows about
Frederick Koch Obituary - Costa Mesa, CA
Koch vs. Koch: The Brutal Battle That Tore Apart America's Most Powerful Family – Mother Jones
indian flag: Villa Torre Clementina, Roquebrune-Cap-Martin
Bad Blood: Meet Bill And Frederick, The Other Kochs
Frederick Koch, Who Spurned Family Business, Dies at 86 - The New York Times
Frederick Koch, Who Spurned Family Business, Dies at 86 - The New York Times
Koch Kumbaya: The Billionaire Industrialists Appropriate Frederick Douglass, Pledge to "Do Right" - EXPOSEDbyCMD
Frederick Koch, arts benefactor and low-profile Koch brother, dies aged 86 | Koch brothers | The Guardian
Billionaire Palm Beach resident Bill Koch on his family, his ambitions and his school | Palm Beach Florida Weekly
Diet Kochs: The Family In The Shadow Of The GOP Megadonors | HuffPost
Frederick Koch dies at 86
The Koch Brothers Are Sitting on a Real Estate Empire Worth Hundreds of Millions - Mansion Global
Frederick R. Koch
Major Collector, Benefactor of Institutional Literary Collections, and Brother, Frederick R. Koch Dies
The Koch Brothers Are Sitting on a Real Estate Empire Worth Hundreds of Millions - Mansion Global
378 Margo Langenberg Photos and Premium High Res Pictures - Getty Images
