Gray, Mike and Rosen, Ira (2003) The Warning: Accident at Three Mile Island: A Nuclear Omen for the Age of Terror Norton, New York, page 224, ISBN0-393-32469-9
U.S. Senate Committee on Environment and Public Works, Subcommittee on Clean Air and Nuclear Safety hearing entitled, "Three Mile Island – Looking Back on Thirty Years of Lessons Learned." Tuesday, 24 March 2009 10:30 am EDT, EPW Hearing Room – 406 Dirksen Office Building archived webcast