Government Code and Cypher School: Signals Intelligence Passed to the Prime Minister, Messages and Correspondence

A file of signals intelligence reports, messages, and correspondence issued by the Government Code and Cypher School and sent by the head ('C') of the Secret Intelligence Service (MI6) to the Prime Minister, Winston Churchill. This file includes the following reports on North Africa: that Kesselring makes yet another appeal to his forces for a supreme effort, on October 29; that destroyer convoy escorts are leaving Tobruk on October 30; Naval Headlines report 483 is not included, this was sent to the Director of Naval Intelligence (DNI) under 1231.