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 correspondence: from the Romanian consul-general in Milan, on the Italian situation, as at July 31; from the Portuguese minister in Rome, on the Italian situation, on July 31; from the Japanese representative to the Vatican, on Italian peace moves, on July 31; from the Brazilian ambassador in Madrid, on the Spanish situation, as of July 30; from the Japanese ambassador in Rome, giving the views of the Bulgarian minister on the Italian crisis, on July 30; on its effect on the war effort, on July 29; and on an interview with Mussolini, on July 25; from the Chinese chargé in Berne, detailing German demands presented to Italy, on July 30; from the Japanese ambassador in Istanbul, on Turkish policy, on July 30; from the Japanese ambassador in Berlin, on an interview with Hitler, on July 30; from the Japanese ambassador in Rome, describing Japanese relations with Italy, as of July 30; from the Turkish minister in Stockholm, reporting Finnish reactions to the Italian situation, on July 29; from the Turkish minister in Stockholm, that the Germans have taken measures to be able to close the Norwegian-Swedish border, on July 29; from the Japanese ambassador in Vichy, on the Italian situation, as at July 29; from the Turkish military attaché in Madrid, that the Allies are to attack Morea, on July 29; from the Ministry of Foreign Affairs in Berlin, stating views on the Italian situation, as of July 28; from the Greek ambassador in Ankara, on an Italian appeal to Germany, on July 28; from the Japanese ambassador to Istanbul, on Turkish policy, on July 27; from the Japanese ambassador in Berlin, relating the views of Steengracht on the Italian crisis, on July 27; from the Japanese vice-consul in Hamburg, reporting Allied air-raids on Hamburg, on July 25; and the Japanese minister in Madrid urges the occupation of the maritime province, on July 26.