WBeaumanor HallWBenson House (Wading River, New York)WBletchley ParkWCentral BureauWChâteau de PignerolleWDiscriminant BookWEnigma machineWFar East Combined BureauWFish (cryptography)WGerman Army cryptographic systems of World War IIWGerman Intercept Station Operations during World War IIWKaufbeuren Air BaseWLorenz cipherWMilitary Intelligence Service (United States)WReservehandverfahrenWSchlüsselgerät 41WSiemens and Halske T52WUltraWUnited States Naval Computing Machine Laboratory
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