Records of the Chief of the (Imperial) General Staff and its directoratesWO 4011908-1996War Office and Ministry of Defence: Survey Services: Directorate of Military Survey and Survey Units: Map and Chart Catalogues
This series contains bound collections of map indexes prepared by the various survey units producing maps for the armed forces. They give details of the coverage, the date of the published sheets, and the supply details. The series includes amendment lists, published on a regular basis and intended to keep the catalogue up to date.