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 Southern Europe: a situation report on Corsica for September 29 and 30; and a 10th Army review, on September 29; a German secret service report on the future of Italian military internees; Naval Headlines; and from the Japanese ambassador in Berlin, on German rapprochement with the Soviet Union, on September 25.