0380

File Title Government Code and Cypher School: Signals Intelligence Passed to the Prime Minister, Messages and Correspondence
Reference HW 1/380
Date 20 February 1942
Government Department Government Code and Cypher School
File Accession Date 1993
Document Title Date
i Front Cover 20 February 1942 Download PDF (369 KB)
1st Government Code and Cypher School: Signals Intelligence Passed to the Prime Minister, Messages and Correspondence 20 February 1942 Download PDF (303 KB)
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