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 Germany: that Doenitz urges the U-boat men to fight on against Bolshevism, on May 1; Naval Headlines; from the French Ministry in Paris to the ambassador in Moscow, that Churchill demanded that Mikolajczyk approve the Yalta declaration, on April 24; from the French ambassador in Berne, that French notables are in the hands of the SS in south Germany, on April 29-30; and from the German Legation in Berne, on a request to Ribbentrop for the release of the King of the Belgians, on April 30.