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Index
Cover
Title Page
Dedication
Epigraph
CONTENTS
Acknowledgements
Preface
CHAPTER ONE: A. G. Denniston 1881 – 1941
CHAPTER TWO: Room 40: 1914-15
CHAPTER THREE: Scapa Flow 1919
CHAPTER FOUR: His Secret Years: Strengths and Weaknesses
CHAPTER FIVE: Diplomatic Eavesdropping 1922-44
CHAPTER SIX: The Government Code and Cypher School Between the Wars
CHAPTER SEVEN: How News was bought from Warsaw at the end of July 1939
CHAPTER EIGHT: Berkeley Street crypto activities in 1943
CHAPTER NINE: AGD’s views on US/UK crypt co-operation 1943
CHAPTER TEN: How The Story Broke
Postcript
List of Abbreviations and Terms
Bibliography
Plates
By the Same Author
Copyright
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