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 report on South Europe: the Commander in Chief (C-in-C) for the Southwest's supply report for January 26, noting there are supply trains but stocks are sinking; with a request from the Prime Minister (PM) for an appreciation on this from the Chief of the Imperial General Staff (CIGS); and the CIGS's appreciation, on February 4.