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: Central Bureau, Brisbane: Reports
Catalogue reference: HW 52
What's it about?
HW 52
This series contains surviving reports based on decrypts of intercepted Japanese army and air force communications made by the Central Bureau, Brisbane and sent to the Government Code and Cypher School.
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 52
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Title (The name of the record)
- Government Code and Cypher School: Central Bureau, Brisbane: Reports
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Date (When the record was created)
- 1942-1945
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Description (What the record is about)
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This series contains surviving reports based on decrypts of intercepted Japanese army and air force communications made by the Central Bureau, Brisbane and sent to the Government Code and Cypher School.
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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, Central Bureau, Brisbane, 1942-1945
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Physical description (The amount and form of the record)
- 98 file(s)
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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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In 2003-2004 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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- Topics
- Intelligence
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Accumulation dates (The dates the record was accumulated)
- 1944-1945
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Accruals (Indicates whether the archive expects to receive further records in future)
- Series is not 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, documenting the signals intelligence effort against Japanese communications in the Second World War. All surviving reports selected.
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Administrative / biographical background (Historical or biographical information about the creator of the record and the context of its creation)
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The Central Bureau, Brisbane was established in September 1942 to target intercepted Japanese communications and provide raw intelligence material for the allies in the Far East and Pacific theatre of the war. Though the Bureau was an American-run centre, a number of British and Australian staff also worked there. The reports of intercepted material were sent to the Government Code and Cypher School (among other recipients), and it is these reports which now form this series.
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Record URL
- https://beta.nationalarchives.gov.uk/catalogue/id/C16046/
Catalogue hierarchy
17,110 records
Within the department: HW
Records created or inherited by Government Communications Headquarters (GCHQ)
You are currently looking at the series: HW 52
Government Code and Cypher School: Central Bureau, Brisbane: Reports
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