David Koch - Wikipedia
What's the Big Deal: David Koch estate sells Aspen homes for $23 million and $12 million to Lauder family | AspenTimes.com
NYC's richest woman has turned into a hermit in the Hamptons
David Koch's Widow Looks to Sell Manhattan Apartment for $60 Million or More - Mansion Global
Take a Walk Down Meadow Lane, The Hamptons' Billionaires' Row – DIRT
Seat Of Power: An Intimate Look Inside David Koch's Office
David Koch (television presenter) - Wikipedia
David Koch's old upper north shore home is on the market - realestate.com.au
Billionaire David Koch's Mansion In Palm Beach, FL | Mega mansions, Mansions, House exterior
David Koch 'buys New York townhouse on a whim for $40million and pays in CASH' | Daily Mail Online
David Koch - Wikipedia
Upper West Side's David Koch Often Mistaken for Billionaire Namesake - Upper West Side & Morningside Heights - New York - DNAinfo
NY's 'richest couple' David and Julia Koch spend $55m cash on New York mansion
See Inside David Koch's New $40M NYC Mansion | Upper East Side, NY Patch
Australia's breakfast television presenters living the dream on Sydney's property market - realestate.com.au
One Koch Brother Forces the Other Out of the Family Business | The New Yorker
David Koch 'buys New York townhouse on a whim for $40million and pays in CASH' | Daily Mail Online
Ex-Wife of Billionaire Bill Koch Sells West Palm Beach Home
David Koch's Real Estate in NYC, the Hamptons, Aspen, and Palm Beach
Sam Mac mocks Sunrise host David Koch over his fleeting cameo on Home And Away - Latest Celebrity News
Meet Bill Koch, the other Koch brother (w/video)
David Koch's house in Palm Beach, FL (Google Maps)
David Koch, Billionaire Who Fueled Right-Wing Movement, Dies at 79 - The New York Times
David Koch's Real Estate in NYC, the Hamptons, Aspen, and Palm Beach
