The several section of the military intelligence (MI) and of the military operations (MILLSTONE) they were maintained different same when under a single head. DMO was responsible for the operational planning of the sketch to the time in that a commander of the operation was appeared. It also collected the information on British forces and the close allies' armed forces. DMI was concerned with the armed forces of the enemy countries, of distant allies and of neutral countries. It was in the close touch with military enclosures and missions in the exterior and it was interested not only in military details, but also in some information historical, topographical and economical more general. Up to 1940, when a separate department was established for the purpose, DMI was also responsible for the censorship. Beyond to the departments in London, the military intelligence had the team of employees united to the missions in the overseas and the head offices of the field that collect the local intelligence.  

Reference of the catalog  

Description  

WO 78 Maps and plants 1627-1953. Count the maps that are the result of the intelligence that collects operations (for the similar material that he links India, Persia and the close east, to contact the collections of Oriental office and of India, the British library, the highway of 96 Euston, London, NW1 2DB).

WO 106 Directory of the operations and of the military intelligence 1837-1960. Count the material of the military intelligence to 1939.

WO 157 Summaries 1914-1921 of the intelligence. Count daily summaries of the information and of the reports in cases military, economical and political.