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 356th Division report on the results of an Allied air raid on Genoa on May 28; on Western Europe: on the results of Allied air raids on Marseilles, Salon, Nimes, Avignon and Montpellier, on May 27, recording great damage and some 50 locomotives being damaged or destroyed; Naval Headlines, which includes an item on a new strategy for surface attacks by groups of U-boats against Russian convoys using new weapons including the Gnat; from the Brazilian minister in Ankara, describing the reaction in Turkey to Churchill's statement about U.K./Turkish relations, on May 26, with the statement considered to represent the most effective pressure yet on Turkey; from the French delegate in Madrid, a report to Algiers in French on May 25 on the Spanish reaction to Churchill's speech; from the Japanese ambassador in Berlin, detailing the results of a large-scale Allied air raid on Berlin on May 24; and from the French delegate in Washington, a report of May 20 to Algiers in French on the remarks by Fotitch in Washington concerning a recent visit to General Mikhailovitch in Yugoslavia by two U.S. officers, saying they returned with a favourable impression of Mikhailovitch who was even beginning to find favour with some of Tito's supporters.