Campbell, Duncan: Somebody's Listening 12.8.1988. New Statesman. Arkistoitu 20.4.2013. ”The Congressional officials were first told of the Thurmond interception by a former employee of the Lockheed Space and Missiles Corporation, Margaret Newsham, who now lives in Sunnyvale, California.” Viitattu 15.7.2014.
James Risen ja Eric Lichtblau: Bush Lets U.S. Spy on Callers Without Courts 16. joulukuuta 2005. The New York Times. ”The White House asked The New York Times not to publish this article” (englanniksi)
Norton-Taylor, Richard: Surveillance secrecy: the legacy of GCHQ's years under cover 21.8.2013. The Guardian. ”GCHQ's cover was first blown in 1976 by an article, The Eavesdroppers, published by the London magazine, Time Out.” (englanniksi)
Barton Gellman: Edward Snowden, after months of NSA revelations, says his mission’s accomplished 24. joulukuuta 2013. The Washington Post. ”Taken together, the revelations have brought to light a global surveillance system that cast off many of its historical restraints after the attacks of Sept. 11, 2001. Secret legal authorities empowered the NSA to sweep in the telephone, Internet and location records of whole populations.” (englanniksi)
web.archive.org
Campbell, Duncan: Somebody's Listening 12.8.1988. New Statesman. Arkistoitu 20.4.2013. ”The Congressional officials were first told of the Thurmond interception by a former employee of the Lockheed Space and Missiles Corporation, Margaret Newsham, who now lives in Sunnyvale, California.” Viitattu 15.7.2014.
