Records of the Directorate of Field Survey and predecessorsOS 501951-1970Ordnance Survey: Directorate of Field Survey: One-Inch Scale Name Books (Seventh Series)
This series contains files and maps relating to the names of areas, roads, landscape features and objects to be included or removed from Ordnance Survey one inch to a mile (1:63,360) mapping of Great Britain, together with the authority for their spelling. Includes an index.