Correspondents include: James Thomas, First Lord of the Admiralty [later 1st Lord Cilcennin] on using papers [on the British attack on the French Navy in 1940]; Sir Norman Brook [Secretary to the Cabinet, later 1st Lord Normanbrook] on using the papers of the War Cabinet Committee on the Resistance; John Colville, Joint Principal Private Secretary to the Prime Minister.

Source material includes: telegrams on action to be taken against hostile French ships; correspondence on liaison with the Free French over security issues, including memoranda by Kenneth Younger and Major Archdale [British liaison officer with French northern command].