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 South Europe: that the Hermann Goering Division's attack was held, on February 17; that the 76th Panzer Corps meet strong resistance, and the front line for February 17; and that the 15th Mountain Corps requests approval for a decision to give up the defence of the Banjaluka-Prijedor railway, from February 8.