Copy of a letter from John Martin [Private Secretary to WSC] to [Christopher] Eastwood [Private Secretary to Secretary of State for Colonial Affairs] informing him that WSC agrees that a United States agent should warn the Duke of Windsor [earlier King Edward VIII and Edward Prince of Wales] about the [pro-Nazi] activities of Axel Wenner-Gren. Carbon typescript signed with initials.

Telegram from WSC to Sir Stafford Cripps [British Ambassador to the Soviet Union] (Moscow), for personal delivery to Marshal Stalin, informing Stalin that Germany had been transferring Panzer Divisions from Romania to Southern Poland, but has stopped due to the Serbian revolt [information learned from Enigma decrypts].

Telegram from WSC to General Sir Archibald Wavell [Commander-in-Chief, Middle East] with intercepted information on a heavy German air attack on Crete [Greece].

Text of most secret cipher telegram from unidentified sender to unidentified recipient advising the latter that arrangements will be made to meet any wish he may express to be relieved of his command if he finds himself "unwilling to give effect to it". The distribution list indicates that copies were restricted to WSC and the Chief of the Imperial General Staff [General Sir Alan Brooke].

Telegram from WSC to President Roosevelt: hopes for publicity for United States marines "taking over that cold place" [?Iceland]; refers to Vichy resistance in Syria; comments on effect of operations "Tiger" and "Jaguar" [codenames for operations to supply reinforcements to Middle East]; comments on imminent German onslaught on Soviet Union [information learned from Enigma decrypts].

Telegram from WSC to General Jan Smuts [Prime Minister of South Africa]: comments on how defeat at Agedabia almost destroyed General Sir Archibald Wavell's [Commander-in-Chief, Middle East] tank force, and details measures that were taken to reinforce Wavell; comments on battle in desert; refers to intelligence regarding the German advance on the Soviet Union.

Telegram from WSC to Oliver Lyttelton [later Lord Chandos, Minister of State in the Middle East] on liaison with Vichy France over Syria. He recites text of message of 5 Jul from Vichy agent, and proposed text of British reply.

Telegram from 1st Lord Beaverbrook [Minister of Supply, British Supply Mission to the Soviet Union, earlier Max Aitken] to WSC promising not to reveal secrets; hopeful of reaching agreement; sailing under two flags "a vast success".

Telegram from WSC to Prime Minister of Canada [Mackenzie King] on German attacks on Atlantic convoys and security measures to prevent sabotage and protect crew. [1st page only].

Telegram from WSC to 1st Lord Beaverbrook [Minister of Supply, British Supply Mission to the Soviet Union, earlier Max Aitken] on secrecy: "I am sure you realise that no-one in Russia ... must know about our special sources of information".

Telegram from WSC to General Sir Claude Auchinleck, Commander-in-Chief, Middle East, asking for his comments on the discrepancy between his estimate of German tank numbers in Eastern Cyrenaica [Libya] and the number identified by special information [? Enigma].

Telegram from General Sir Claude Auchinleck [Commander-in-Chief, Middle East] to WSC explaining his reasons for asking the War Office to clarify "special information" [? Enigma] regarding the number of Axis tanks serviceable on 21 April.

Telegram from WSC to General Sir Claude Auchinleck [Commander-in-Chief, Middle East] regarding the figures for strength of the German Afrika Army contained in the latest most secret information.

Telegram from General Sir Archibald Wavell, Commander- in-Chief, India, to WSC marked "most secret" stating his belief in deceiving and disturbing the enemy by false information and advocating more coherent and long term deception plans worked between London, Washington [United States] and Commanders in the field using only officers with special qualifications.

Telegram from WSC to General Sir Bernard Montgomery (General Officer Commanding the Eighth Army) congratulating him on his victory and informing him of the position of the other divisions [information learned from Enigma decrypts]. T391/3.

Telegram from WSC to General [Sir Harold] Alexander [later Lord Alexander of Tunis, Deputy Commander in Chief North African Theatre of Operations] marked 'most secret and personal' thanking him for his telegram, commenting that Alexander's combinations seem to be working well and that Boniface [Enigma decrypts] shows that the enemy is in a dire condition, especially in fuel. Typescript.

Letter from WSC to Sir Wyndham Portal [1st Commissioner of Works and Public Buildings] marked "Personal and Confidential" informing him of his appreciation for the speed in which his department carried out some construction work at Bletchley Park [Buckinghamshire] Signed.