MI5: BRITISH SECURITY SERVICE OPERATIONS, 19091945
The True Story of the Most Secret Counter-Espionage Organisation in the World
This edition published in 2019 by Frontline Books,
an imprint of Pen & Sword Books Ltd,
47 Church Street, Barnsley, S. Yorkshire, S70 2AS
First published by The Bodley Head Ltd., 1981.
Copyright Nigel West
ISBN: 978-1-52675-570-4
eISBN: 978-1-52675-571-1
Mobi ISBN: 978-1-52675-572-8
The right of Nigel West to be identified as Author of this work has been asserted by him in accordance with the Copyright, Designs and Patents Act 1988. A CIP catalogue record for this book is available from the British Library.
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Acknowledgements
I owe a debt of thanks to the following:
The former members of the Security Service, the Secret Intelligence Service, the Naval Intelligence Department, the Radio Security Service, the Joint Intelligence Committee, the Combined Services Detailed Interrogation Centre, MI9 and the Security Executive who were kind enough to tell me of their wartime experiences.
The former members of the American Office of Strategic Services and the Irish Intelligence Service, G2.
The Federal Bureau of Investigation and the Central Intelligence Agency.
The MI5 double agents who granted me interviews, including BALLOON, BRUTUS, DREADNOUGHT, FREAK, GARBO, GELATINE, JEFF, METEOR, MUTT, TATE, TRICYCLE and ZIGZAG.
The family of SUMMER.
The four former MI5 officers who read my manuscript.
Rear-Admiral W.N. Ash of the Ministry of Defences D Notice Committee for his guidance.
The Departmental Records Office and the Service archivists who patiently answered my questions.
The Chief Constables of Essex, Greater Manchester, Northamptonshire, South Wales and Strathclyde who authorized searches of their records.
The staff of the Public Records Office in Kew, the Imperial War Museum, the British Museum, the Hoover Institute at Stanford University and the Netherlands State Institute for War Documentation.
The Embassies of Belgium, Luxembourg, Spain, Sweden and Switzerland.
Julian Allason of ACT for his data processing skills.
John Moe in Sweden (himself a wartime double agent) who devoted many hours of his spare time to this project, as did Detective Joseph J. Gannon of the New York Police Department.
Sir William Stephenson, H. Montgomery Hyde, Winston Ramsey, and Professor M.R.D. Foot for their encouragement.
My researchers, Veronique LeJeune in Brussels, Maria Vidal in Spain and Camilla Van Gerbig in London.
Venetia Pollock for her editorial skills.