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Catalogue reference: HW 19/347
This record is about the RIS 1-35: these reports on the Abwehr and Sicherheitsdienst were written by Capt.... dating from 1943 Jun 05-1945 Jan 31 in the series Government Code and Cypher School: ISOS Section and ISK Section: Decrypts of German.... It is held at The National Archives, Kew.
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HW 19/347
1943 Jun 05-1945 Jan 31
RIS 1-35: these reports on the Abwehr and Sicherheitsdienst were written by Capt. H.R. Trevor-Roper, head of RIS (Radio Intelligence Section?), part of the Radio Security Service Headquarters at Barnet. Capt.Trevor-Roper's office was also known as Sub-section Vw of Section V of MI6 and isued similar reports in the Vw series (see HW 19/331-333)
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Government Code and Cypher School: ISOS Section and ISK Section: Decrypts of German...
RIS 1-35: these reports on the Abwehr and Sicherheitsdienst were written by Capt....
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