Statements (15)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:historical_event
|
| https://www.w3.org/2000/01/rdf-schema#label |
Ultra secret
|
| gptkbp:level |
Top Secret
|
| gptkbp:notablePublication |
Ultra: The Secret Fact of World War II by F. W. Winterbotham
|
| gptkbp:period |
gptkb:World_War_II
|
| gptkbp:refersTo |
Allied codebreaking efforts in World War II
|
| gptkbp:relatedTo |
gptkb:Allied_intelligence
gptkb:Enigma_machine gptkb:SIGINT gptkb:Bletchley_Park |
| gptkbp:usedBy |
gptkb:Parliament_of_the_United_Kingdom
gptkb:United_States_government |
| gptkbp:bfsParent |
gptkb:Frederick_Winterbotham
gptkb:F._W._Winterbotham |
| gptkbp:bfsLayer |
7
|