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 Western Europe: a 7th Army situation report, for January 4; of Army Group G's intentions, on January 4; that the Germans are to form a bridgehead over the Rhine on January 5, reported on January 4; the Commander in Chief (C-in-C) West's situation report, for December 31; that the German Air Force (GAF) in Italy were envisaging a possibility of large-scale Allied operations in the near future, on December 30; German information from Tokyo on naval operations in the Far East, on December 23; from the Japanese ambassador in Berlin, on the German counter-offensive, on December 29; from the Siamese Embassy in Tokyo, describing an Allied air raid on Tokyo, on January 3; from the Japanese minister in Stockholm, on the German offensive and the Stachevsky spy incident, on December 22; from Aghnides in London, detailing British journalistic opinion on the Greek civil war, on December 31; from M. de Vaux St Cyr in Stockholm, on Soviet plans for an offensive in the west, on December 30; from Raphael in Ankara, a Greek report on the situation in eastern Macedonia and Thrace, as of December 29; and from Diamantopoulos in Washington, noting the U.S.' attitude on Greece, on January 2.