Incoming Resources
- The secret state, a history of intelligence and espionage, Colonel John Hughes-Wilson
- The spy and the traitor, the greatest espionage story of the Cold War, Ben Macintyre
- My five Cambridge friends, Burgess, Maclean, Philby, Blunt and Cairncross, by their KGB controller, Yuri Modin ; with Jean-Charles Deniau and Aguieszka Ziarek ; translated by Anthony Roberts ; introduction by David Leitch
- Liar, temptress, soldier, spy, four women undercover in the Civil War, Karen Abbott
- The red atlas, how the Soviet Union secretly mapped the world, John Davies, Alexander J. Kent ; foreword by James Risen
- Return to the Reich, a Holocaust refugee's secret mission to defeat the Nazis, Eric Lichtblau
- Enemies within, communists, the Cambridge spies and the making of modern Britain, Richard Davenport-Hines
- Roosevelt's secret war, FDR and World War II espionage, Joseph E. Persico
- Surveillance valley, the secret military history of the Internet, Yasha Levine
- The strange case of Hellish Nell, the story of Helen Duncan and the witch trial of World War II, Nina Shandler
- Deception, the untold story of East-West espionage today, Edward Lucas
- The billion dollar spy, a true story of Cold War espionage and betrayal, David E. Hoffman
- The Venona secrets, exposing Soviet espionage and America's traitors, Herbert Romerstein and Eric Breindel
- Eine kleine Stadt in Deutschland;, Roman, [von] John le Carré
- The irregulars, Roald Dahl and the British spy ring in wartime Washington, Jennet Conant
- Anthony Blunt, his lives, Miranda Carter