Operation Gladio: The Unholy Alliance between the Vatican, the CIA, and the Mafia

Operation Gladio by Grant Lawson: Shadow Directive

Operation Gladio: The Plan, the People, and the Fallout (Zentara Cold War Operations Revealed)

Operation Gladio: The Plan, the People, and the Fallout (Zentara Cold War Operations Revealed)

NATO's Secret Armies: Operation GLADIO and Terrorism in Western Europe (Contemporary Security Studies)