The Russell Cawthorn Collection
The Great War 1914-1918, and Associated Conflicts Intelligence British Military Intelligence Generally
Books
RCC7787 Secret Service (Aston)RCC6981 British Secret Service During the Great War (Everitt)
RCC7485 Inside Room 40: The Codebreakers of World War 1 (Gannon)
RCC7660 Alastair Denniston. Code Breaking from Room 40 to Berkeley Street and the Birth of GCHQ (Greenberg)
RCC5918 Armour Against Fate: British Military Intelligence in the First World War: And The Secret Rescue From Russia of the Grand Duchess Tatiana (Occleshaw)
RCC6292 Agents of Empire: Anglo-Zionist Intelligence Operations 1915 - 1919: Brigadier Walter Gribbon, Aaron Aaronsohn and the NILI Ring (Verrier)
RCC5919 The Secrets of Rue St. Roch: Intelligence Operations Behind Enemy Lines in the First World War (Morgan)