Telegram from WSC to General Harold Alexander [later Lord Alexander of Tunis, Commander in Chief Middle East] marked "private" thanking him for his recent communication, commenting on the raid of the Sussex, referring to recent "M.K." [Enigma decrypts] about enemy shortages and sickness, and expressing hope that Alexander will see something of Duncan Sandys [later Lord Duncan-Sandys, Financial Secretary to the War Office].

Telegram from WSC to General Harold Alexander [later Lord Alexander of Tunis, Commander in Chief Middle East] marked "most secret and private" informing Alexander that he is arranging for more exactly textual M.K.'s [Enigma decrypts] to be sent from now on.Annotated by Desmond Morton [Prime Minister's Personal Assistant]: "Defence Registry. This telegram is not to be distributed. Will you please return this copy to me.".

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.

Letter from WSC to Harry Crookshank [Postmaster General] "Personal and Confidential" informing of his appreciation for the assistance of his department in supplying the communication needs of the establishment at Bletchley Park [Buckinghamshire] Initialled.

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.

Minute from Desmond Morton [Prime Minister's Personal Assistant] to WSC reporting on a meeting with Colonel [Jacques] Balsan and informing him that Balsan is undertaking the co-ordination of secret resistance work in France and planning the post-liberation feeding of children in France. Typescript signed with initials.

Note from Desmond Morton [Personal Assistant to WSC] (War Office, Whitehall [London]) to WSC informing him that Lieutenant J M Langley is employed as a liaison officer between MI6 and the War Office and co-ordinates escapes by prisoners of war. Typescript signed with initials.

Note from WSC to Desmond Morton [Personal Assistant to WSC] informing him that [Lieutenant J M Langley] has been expressing "exceedingly defeatist views". Typescript signed with initials.

Note from Desmond Morton [Personal Assistant to WSC] to WSC concerning "undesirable" opinions expressed by J M Langley. He informs WSC that "C" [Major-General Sir Stewart Menzies, Head of the Secret Intelligence Service, MI6] will not employ Langley abroad although Langley will continue with secret service work. Signed typescript annotated with a note by WSC "Why not give him a hint".

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.

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 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 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 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.