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 Southern Europe: a German Air Force (GAF) summary report for May 29, giving a summary of Allied advances in Italy and details of Allied air raids against targets in Austria, Italy and Yugoslavia totalling some 2000 sorties, and stating that the GAF could only mount 115 sorties over the same areas; of the Hermann Goering Division holding its own on the Italian Front, and repulsing an Allied attack, on May 29; of an Allied penetration in the 1st Parachute Corps' area, on May 29; that Allied pressure renders the 5th Mountain Division unable to produce situation reports, on May 29; and on details of the planned withdrawal of the 15th Panzer Grenadier Division during the night of 29/30 May; of a general GAF directive - an order of May 29 stating that where possible local civilian workers were to be employed in manning anti-aircraft defences at GAF installations, thus freeing GAF personnel there for employment elsewhere; and from the Turkish ambassador to the Yugoslav government in exile in Cairo, that following discussions with 2 influential Yugoslavs who were highly critical of Britain's attitude to the situation in Yugoslavia, Britain was accused of being pro-Bolshevik and anti-Mikhailovic, on May 23.