City for Sale: Ed Koch and the Betrayal of New York: Newfield, Jack, Barrett, Wayne: 9780060160609: Amazon.com: Books
80/20 Principle, The: Richard Koch, Richard Aspel: 9781486213429: Amazon.com: Books
Herr Schmidt ist Koch: 9783895653360: Müller, Thomas M.: Books - Amazon.com
I, Koch: A Decidedly Unauthorized Biography of the Mayor of New York City, Edward I. Koch: Browne, Arthur, Collins, Dan, Goodwin, Michael: 9780396086475: Amazon.com: Books
The 80/20 Principle: Achieve More with Less: THE NEW 2022 EDITION OF THE CLASSIC BESTSELLER: Koch, Richard: 9781529370454: Amazon.com: Books
Kochland: The Secret History of Koch Industries and Corporate Power in America eBook : Leonard, Christopher: Books - Amazon.com
80/20 Your Life: Work Less, Worry Less, Succeed More, Enjoy More: Koch, Richard: 9781529331455: Amazon.com: Books