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