0409

File Title Government Code and Cypher School: Signals Intelligence Passed to the Prime Minister, Messages and Correspondence
Reference HW 1/409
Date 13 March 1942
Government Department Government Code and Cypher School
File Accession Date 1993
Document Title Date
i Front Cover 13 March 1942 Download PDF (239 KB)
1st Government Code and Cypher School: Signals Intelligence Passed to the Prime Minister, Messages and Correspondence 13 March 1942 Download PDF (1.68 MB)
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