"The first account of the most astounding cryptanalysis coup of World War II - how the British broke the German code and read most of the signals between Hitler and his generals throughout the war."
"In 1939 a small government department was set to crack Enigma, the topmost-secret German cypher machine which had been smuggled out of Germany, in an operation code-named Ultra."@en

"The Ultra secret"
"The Ultra secret"@en
"Aktion Ultra"
"Ultra"@sl
"Operation Ultra : chifferkuppen som avgjorde andra världskriget"@sv
"Ultra"
"Operation Ultra"@da
"Ultra : trad. de l'americain par theo carlier"
"The Ultra secret : the inside story of Operation Ultra, Bletchley Park and Enigma"@en
"Ultrasecreto : la gran revelación de la Segunda Guerra Mundial"
"Ultrasecreto : la gran revelación de la Segunda Guerra Mundial"@es
"The ultra secret : the first account of the most astounding cryptanalysis coup of World War II - how the British broke the German code and read most of the signals between Hitler and his generals throughout the war"
"Ultra : [comment, depuis le debut de la guerre, les britanniques ont connu tous les plans des grandes operations allemandes...]"
"絶對機密"
"Ultrasecreto"@es
"Ultrasecreto"
"The Ultra Secret"
"Operat︠s︡ii︠a︡ "Ulʹtra""
"Jue dui ji mi"
"The ultra secret"@en
"The ultra secret"
"Ultra : [comment, depuis le début de la guerre, les Britanniques ont connu tous les plans des grandes opérations allemandes après avoir percé le secret de la machine à coder "Enigma"]"
"Codenaam Ultra"
"Operaatio Ultra"@fi