Focus on
Olga Gray and the Woolwich Arsenal Spy Ring
In 1938, thanks to years of work by a remarkable female agent, MI5 ensured a package of British defence plans stayed secret.
Series
Government Code and Cypher School: Special Liaison Units: Histories
Catalogue reference: HW 49
What's it about?
HW 49
This series contains histories written at the end of World War II by staff of the Special Liaison Units who oversaw the distribution of ULTRA intelligence material to service units and headquarters during the war.
Full description and record details
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Reference (The unique identifier to the record described, used to order and refer to it)
- HW 49
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Title (The name of the record)
- Government Code and Cypher School: Special Liaison Units: Histories
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Date (When the record was created)
- 1940-1945
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Description (What the record is about)
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This series contains histories written at the end of World War II by staff of the Special Liaison Units who oversaw the distribution of ULTRA intelligence material to service units and headquarters during the war.
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Held by (Who holds the record)
- The National Archives, Kew
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Legal status (A note as to whether the record being described is a Public Record or not)
- Public Record(s)
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Language (The language of the record)
- English
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Creator(s) (The creator of the record)
- Government Code and Cypher School, 1919-1946
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Physical description (The amount and form of the record)
- 7 bundles and files
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Access conditions (Information on conditions that restrict or affect access to the record)
- Open
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Immediate source of acquisition (When and where the record was acquired from)
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From 2002 Government Communications Headquarters
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Subjects (Categories and themes found in our collection (our subject list is under development, and some records may have no subjects or fewer than expected))
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Accruals (Indicates whether the archive expects to receive further records in future)
- Series is accruing
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Selection and destruction information (Information about how the record was selected for archiving)
- Selected under acquisition policy criterion 2.2.1.3, showing the history of distribution of ULTRA intelligence to service units during World War II. All histories selected.
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Record URL
- https://beta.nationalarchives.gov.uk/catalogue/id/C15816/
Catalogue hierarchy
Over 27 million records
This record is held at The National Archives, Kew
17,110 records
Within the department: HW
Records created or inherited by Government Communications Headquarters (GCHQ)
You are currently looking at the series: HW 49
Government Code and Cypher School: Special Liaison Units: Histories
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