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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.
Piece
Correspondence passing between Service Ministries and overseas commands via Bletchley...
Catalogue reference: HW 20/498
What’s it about?
This record is about the Correspondence passing between Service Ministries and overseas commands via Bletchley... dating from 1944 Jan 01-1944 Mar 31 in the series Government Code and Cypher School: Tactical Sigint forwarded to Allied Commands:.... It is held at The National Archives.
Is it available online?
No, this record is not available online. However, you can order a copy. Other ways to view it.
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Yes, this record is held at The National Archives and is available to see in person. How to view it.
Full description and record details
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Reference (The unique identifier to the record described, used to order and refer to it)
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HW 20/498
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Date (When the record was created)
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1944 Jan 01-1944 Mar 31
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Description (What the record is about)
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Correspondence passing between Service Ministries and overseas commands via Bletchley Park, relating to intelligence reports published by Bletchley Park and to Allied Sigint organisation, policy and procedure: Messages passing between Service Ministries and authorities overseas via Bletchley Park. Messages from overseas commands in Algiers, Gibraltar and La Marsa, which had moved by early March to Caserta, to Service Ministries based on Sigint and referring to Allied Sigint organisation, policy and procedure
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Related material (A cross-reference to other related records)
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Also available on 35mm film under DEFE 3/927 DEFE 3/928
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Held by (Who holds the record)
- The National Archives
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Former department reference (Former identifier given by the originating creator)
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GAD PK/623-827, /DB 2, /LM 67-97, /JY 1-4
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Closure status (Whether the record is ‘open’ (available to the public) or ‘closed’ (not available due to a legal exemption))
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Open Document, Open Description
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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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- Topics
- Europe and Russia
- Intelligence
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Record URL
- https://beta.nationalarchives.gov.uk/catalogue/id/C10924857/
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- View this record page in our current catalogue
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Series information
HW 20
Government Code and Cypher School: Tactical Sigint forwarded to Allied Commands:...
See the series level description for more information about this record.
Catalogue hierarchy
Over 27 million records
This record is held at The National Archives
17,110 records
Within the department: HW
Records created or inherited by Government Communications Headquarters (GCHQ)
547 records
Within the series: HW 20
Government Code and Cypher School: Tactical Sigint forwarded to Allied Commands:...
You are currently looking at the piece: HW 20/498
Correspondence passing between Service Ministries and overseas commands via Bletchley...
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