Books about Glienicke Bridge:
Michael Beschloss: Mayday - The U2 Affair James B. Donovan: Strangers on a Bridge Louise Bernikow: Abel Francis Gary Powers: Operation Overflight Katie Hafner: The House at the Bridge
www.coldwar.org (Museum of Francis Gary Powers jr.)
CIA HomepageBio of Francis Gary Powers
Bio of "Rudolf Abel"
The U2 incident 1960