525Bibliography
525CONTENTS
Introduction 525
General and Reference 528
Germany and Austria through World War I 529
Third Reich and World War II 531
Codebreaking 531
Organizations 531
German Resistance 532
Operations Abroad 533
Rote Kapelle 534
Wilhelm Canaris 535
Reinhard Heydrich 535
Walter Schellenberg 535
Richard Sorge 535
Other Individual Cases 536
Divided Berlin 537
Federal Republic of Germany 537
Reinhard Gehlen 538
German Democratic Republic 538
Websites 541
INTRODUCTION
The first notable works on intelligence began to appear in Germany with
the advent of the Cold War. As it became increasingly evident that World
War II had not resolved major tensions in the heart of Europe, it was
equally clear that the country would once again be a magnet for interna-
tional espionage, as it had been during the Weimar Republic. In 1952, a