A file of correspondence and memoranda concerning post-war intelligence gathering in France, the Soviet Union, and other countries. Subjects of discussion in this file include post-war intelligence responsibilities and requirements of the Secret Intelligence Service (MI6), including the gathering of intelligence for defence purposes; the activities that were permitted in various countries, such as France, the United States of America, and the Soviet Union; the banning of intelligence operations and gathering within the Soviet Union; complaints from the ambassador to France about the diplomatic problems posed by having a member of MI6 attached to his embassy under a diplomatic cover role; further complaints about the use of diplomatic covers by MI6; liaison with the French for intelligence purposes; and a suggestion that MI6 prioritise cultivating long-term intelligence sources in France.