==References====External links==* "Spy Book Fact of the Day: Ivy Bells" from the "Spy Book: The Encyclopedia of Espionage" promotional site at Random House* "Operation Ivy Bells Sea of Okhotsk, Russia, 1970s-1981" at "Special Operations.com"* Red November, Inside the Secret U.S. Soviet Submarine War
* Джон Крейвен* "Spy Book Fact of the Day: Ivy Bells" from the "Spy Book: The Encyclopedia of Espionage" promotional site at Random House* "Operation Ivy Bells Sea of Okhotsk, Russia, 1970s-1981" at "Special Operations.com"* Red November, Inside the Secret U.S. Soviet Submarine War