Archive

1982 Apr 30 - 1982 Jul 27
Prime Ministerial Private Office files

PREM19/910
Security (Publication of book by Gordon Welchman (former head of Hut 6) called 'The Hut Six Story' on wartime German Enigma cryptanalysis: reactions of US and UK governments)

Document type: File list item
Source: TNA, PREM19 series
Release date: 2012 Dec 28
Classification: Secret
Page count: 8
Any docs withheld? No

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