Incoming Resources
- The woman all spies fear, code breaker Elizebeth Smith Friedman and her hidden life, Amy Butler Greenfield
- Double agent, the first hero of World War II and how the FBI outwitted and destroyed a Nazi spy ring, Peter Duffy
- Breaking the code, a father's secret, a daughter's journey, and the question that changed everything, Karen Fisher-Alaniz
- My father's secret war, a memoir, Lucinda Franks
- The lady is a spy, Virginia Hall, World War II hero of the French resistance, by Don Mitchell
- Code name Badass, the true story of Virginia Hall, by Heather Demetrios
- Return to the Reich, a Holocaust refugee's secret mission to defeat the Nazis, Eric Lichtblau
- Agent 110, an American spymaster and the German resistance in WWII, by Scott Miller
- The last goodnight, a World War II story of espionage, adventure, and betrayal, Howard Blum
- The princess spy, the true story of World War II spy Aline Griffith, Countess of Romanones, Larry Loftis
- Agent 110, an American spymaster and the German resistance in WWII, Scott Miller