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Churchill/CLKE contains:
1 Remarks on the question of supplying fuller information to the Commander-in-Chief
2 The original Charter of Room 40
3 History of Room 40 and the Government Code and Cypher School
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The Papers of William F Clarke

Title History of Room 40 and the Government Code and Cypher School
Reference CLKE 3
Covering Dates Feb 1925-Mar 1959 (The majority of folios date from Jan 1949–59.)
Extent and Medium 1 file
Content and context

Includes: draft typescript of the history, with a list of documents used by Clarke, with notes on individuals mentioned in the history, Admiralty dockets relating to the Battle of Jutland and publications about Jutland; letter from Sir [James] Alfred Ewing [formerly in charge of the Admiralty department dealing with enemy cipher] agreeing to join a club for former Room 40 members.

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