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  CryptoCellar Tales: When the Russians Visited the Enigma Firm

  http://cryptocellartales.blogspot.de/2013/05/when-russians-visited-enigma-firm.html

  Keine Beschreibung vorhanden.

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  10 000 Menschen und 1500 Elektronenröhren knackten die Nazi-Codes | NZZ

  http://www.nzz.ch/nachrichten/panorama/articleeyv3k_1.120963.html

  Die Briten konnten im Zweiten Weltkrieg nicht nur den Enigma-Code knacken, sondern auch einen weit komplexeren Code, mit dem die Deutschen ihre Fernschreiber-Nachrichten verschlüsselten. Eine Maschine namens Colossus half ihnen dabei: Dieser erste…

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  Hitler's U-Boat War: The Hunters, 1939-1942 - Clay Blair - Google Books

  https://books.google.de/books?id=E8GDrZJEAGIC&pg=PA610&dq=%22fritz+Poske%22&hl=de&sa=X&ved=0ahUKEwig-9Xat5TYAhUKL8AKHUWaBtQQ6AEI

  Clay Blair's best-selling naval classic Silent Victory: The U.S. Submarine War Against Japan, is regarded as the definitive account of that decisive phase of the war in the Pacific. Nine years in the making, Hitler's U-boat War is destined to become the…

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  The European Powers in the First World War: An Encyclopedia - Google Books

  http://books.google.de/books?id=gv3GEyB19wIC&pg=PA104&dq=Kavalla&lr=&as_brr=3

  Focuses on a great watershed event : The First World War was one of the great watershed events of the 20th century, not only costing millions of live but also disrupting existing social order, precipitating dramatic changes in the methods of waging…

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  The European Powers in the First World War: An Encyclopedia - Google Books

  https://books.google.de/books?id=gv3GEyB19wIC&pg=PA20&dq=%22Joseph+Frantz%22+1914#v=onepage

  Focuses on a great watershed event : The First World War was one of the great watershed events of the 20th century, not only costing millions of live but also disrupting existing social order, precipitating dramatic changes in the methods of waging…

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  Aktion Reinhard PRO Decodes

  http://www.deathcamps.org/reinhard/prodecodes.html

  Aktion Reinhard PRO Decodes

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  Inside Echelon | Telepolis

  https://www.heise.de/tp/features/Inside-Echelon-3447440.html

  The history, structure und function of the global surveillance system known as Echelon

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