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: a BONIFACE report for the Deputy Prime Minister (PM); a BONIFACE report for Mr Loxley; BONIFACE reports from the Code and Cypher School (CSS) to Hut 3, signalled as SLICK 11 and 12 to the PM; on Southern Europe: a German Air Force (GAF) situation report and their intentions for January 5; and that all wells on Zara have dried up or been destroyed by bombing, as of January 3; on the Russian Front: the 6th Air Fleet's ground situation report for January 3; on the 4th Air Fleet's reconnaissance results of January 4; that the German appreciate Russian preparations for an attack on the Bakssy bridgehead on January 3; and the 6th Air Fleet's situation report for January 4; of anti-Prussian feeling in southern Germany, on January 4; the Japanese ambassador in Berlin reports a conversation with his usual contact, on December 30 (see 5277); and Naval Headlines.