Schlësselwuert Counter Espionage

Code Name: Emerald

Code Name: Emerald (1985)

The House on 92nd Street

The House on 92nd Street (1945)

Confessions of a Nazi Spy

Confessions of a Nazi Spy (1939)

Intercept: A Century of Signals Intelligence

Intercept: A Century of Signals Intelligence (2023)

Northern Pursuit

Northern Pursuit (1943)