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 the Southern Russian Front: a report for September 14, describing strong Soviet resistance; on North Africa: a Panzer Army day report for September 14, detailing the Tobruk attack; Naval Headlines, covering attacks on an Arctic convoy and Mediterranean shipping; and from the Turkish ambassador in Berlin, on rumours of German-Soviet peace negotiations, on September 14.