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.
Piece
Distribution lists of ULTRA/ZIP/ISOSICLE, ISK and ISOS reports effective 21 March...
Catalogue reference: HW 19/249
What’s it about?
This record is about the Distribution lists of ULTRA/ZIP/ISOSICLE, ISK and ISOS reports effective 21 March... dating from 1945 Mar 21-1945 Jun 11 in the series Government Code and Cypher School: ISOS Section and ISK Section: Decrypts of German.... It is held at The National Archives, Kew.
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)
- HW 19/249
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Date (When the record was created)
- 1945 Mar 21-1945 Jun 11
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Description (What the record is about)
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Distribution lists of ULTRA/ZIP/ISOSICLE, ISK and ISOS reports effective 21 March 1945, last noted in use 11 June 1945
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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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Access conditions (Information on conditions that restrict or affect access to the record)
- Open on Transfer
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Closure status (Whether the record is ‘open’ (available to the public) or ‘closed’ (not available due to a legal exemption))
- 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
- Intelligence
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Record URL
- https://beta.nationalarchives.gov.uk/catalogue/id/C10820058/
How to order it
- View this record page in our current catalogue
- Check viewing and downloading options
- Select an option and follow instructions
Series information
HW 19
Government Code and Cypher School: ISOS Section and ISK Section: Decrypts of German...
See the series level description for more information about this record.
Catalogue hierarchy
Over 27 million records
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You are currently looking at the piece: HW 19/249
Distribution lists of ULTRA/ZIP/ISOSICLE, ISK and ISOS reports effective 21 March...
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