MI6, Paperback
Gordon Corera
Secret Pigeon Service
MI6. Adevaruri socante despre istoria serviciilor secrete britanice
Cyberspies – The Secret History of Surveillance, Hacking, and Digital Espionage
Operation Columba: The Secret Pigeon Service: The Untold Story of World War II Resistance in Europe, Hardcover/Gordon Corera
Russians Among Us
