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: an Army Group G report for September 2, detailing continuing withdrawals, and that the HQ of the 19th Army is withdrawing to Dijon; on the main defence line for the 89th Corps, as at September 2; on the planned resistance line for the 89th Corps in the Antwerp area, on September 2; and of the 1st Army's outpost line along the Belgian frontier, on September 2, noting that Allied spearheads are advancing; Naval Headlines; from the Free French representative in London, passing on Stalin's views on Franco-Soviet relations, on August 16; from the Bulgarian ambassador in Moscow, describing a Soviet protest against Bulgaria's agreement to German troops moving into Romania via Bulgaria although both Soviet and Bulgarian press reports of August 28 indicated that Bulgaria had ordered all German troops out of the country and those retreating from Romania into Bulgaria had been disarmed, on August 29; a reply from Sofia to the ambassador on August 30, stating that the Soviet government should be informed that Bulgaria was maintaining her neutrality and no German troops were being permitted to move into Romania via Bulgaria; from the Chinese chargé in Berne, a report of August 30 from a special intelligence officer Chu Pao Hsien, describing attempts to exchange Himmler's brother-in-law in Soviet hands for Stalin's son captured by the Germans, and giving details of the trials of those implicated in the attempted assassination of Hitler, and of a French provisional government appointment in Berne; C annotates the item with a comment that Chu Pao Hsien was not a very reliable informant; and Secret Intelligence Service (SIS) report number 121 of September 2 and a telegram of the same date from C's representative in New York (both are not included).