TRIPLEX: Secrets From the Cambridge Spies
Nigel West & Oleg Tsarev
Spycraft Secrets: An Espionage A-Z
Nigel West
Snow
Nigel West & Madoc Roberts
Operation Garbo
MI6: British Secret Intelligence Service Operations 1909-45
MI5 in the Great War
MI5
The Kompromat Conspiracy: The Truth About the Trump Dossier
Historical Dictionary of World War II Intelligence
Historical Dictionaries of Intelligence and Counterintelligence (7)
Historical Dictionary of Sexspionage
Historical Dictionary of International Intelligence
Historical Dictionaries of Intelligence and Counterintelligence (1)
Historical Dictionary of Chinese Intelligence
I. C. Smith & Nigel West
Historical Dictionary of British Intelligence
Encyclopedia of Political Assassinations
Double Cross in Cairo
Cold War Counterfeit Spies: Tales of Espionage - Genuine or ...
Codeword Overlord: Axis Espionage and the D-Day Landings
Churchill's Spy Files: MI5's Top-Secret Wartime Reports