Papers of Lt Col Leonard George Gage, on service with Army Postal Service, 1939-1945; principally comprising correspondence on the introduction and operation of the airgraph service to the Middle East; letters of congratulation on mention in despatches, 1941, and award of MBE, 1944; photographs of army postal services in France, 1939-1940 and the Middle East, 1942-1945; copy of Parade No.124, 26 Dec 1942, containing illustrated article 'Mail Up for Christmas'