Eavesdropping on Hell: Historical Guide to Western Communications Intelligence and the Holocaust, 1939-1945

Chapter 5. Some Observations about Western Communications Intelligence and the Holocaust

In the preface to this Guide, we asked two major questions: What did the Allied communications intelligence agencies learn about the Holocaust and when was this intelligence known? In the preceding chapters, we have described briefly the operations of the communications intelligence system of the GC&CS and the SIS. We have described the available archival collections at NARA, the PRO, and other places. Finally, we surveyed some of the hundreds of reports produced by the cryptologic agencies that bear on the history of the Holocaust. Using this information, we should be able to answer both questions. At the same time, we can add some observations about other ...