Codebreakers : images of the National Archives /
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| Corporate Author: | |
| Format: | Book |
| Language: | English |
| Published: |
Barnsley, South Yorkshire, UK :
Pen & Sword History,
[2020]
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| Physical Description: | 132 pages : illustrations, maps ; 25 cm. |
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| Bibliography: | Includes bibliographical references and index. |
| ISBN: | 1526730804 9781526730800 |