EntityQ869296· pop 7· linked from 203 articlesDouble-Cross SystemSign in to saveBritish World War II counter-espionage operationConnectionsOperation FortitudeEntityEnigmaEntityDuško PopovEntityBen MacintyreEntityPortugalCountryWorld War IIConceptradioEntityInternational Standard Book NumberEntityNazismEntityKielEntitymotorcycleEntityRoman numeralsEntitydigital object identifierEntityAllies of World War IIEntityTower BridgeEntitycanoeEntityScottish peopleEntityStrait of DoverEntityOCLC, Inc.EntityTrafalgar SquareEntityCategoriesDouble-Cross SystemEspionage techniques