Incoming Resources
- Inside British intelligence, 100 years of MI5 and MI6, Gordon Thomas
- The black door, spies, secret intelligence and British Prime Ministers, Richard J. Aldrich and Rory Cormac
- Behind the enigma, the authorized history of GCHQ, Britain's secret cyber-intelligence agency, John Ferris
- The art of betrayal, life and death in the British secret service, Gordon Corera
- Secret wars, one hundred years of British intelligence inside MI5 and MI6, Gordon Thomas
- The defence of the realm, the authorized history of MI5, Christopher Andrew
- Beyond the Frontline, the untold exploits of Britain's most daring Cold War spy mission, Tony Geraghty
- The defence of the realm, the authorized history of MI5, Christopher Andrew
- The enemy within, the secret war against the miners, Seumas Milne
- Defend the realm, the authorized history of MI5, Christopher Andrew