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 North Africa: a German Air Force (GAF) report for October 1, that a British ground attack was repulsed; a report on the Russian fronts; on the GAF: that Turkey has been very strict about interning German air crews, and secret documents are to be destroyed, on October 1; 1467/T19 was sent to the Director of Military Intelligence (DMI) under 940.