Topographic base map series: GSGS 4072. Sheet: Leipzig N.E. 50/10. Edition: 2nd, 1943. Published by War Office 1940. Compiled and drawn at War Office 1940. Heliographed at Ordnance Survey 1940. Lattice overprint series: GSGS 4524. Sheet: Leipzig N.E. 50/10. Overprint drawn at G.S.G.S.(A.M.) October 1944. Projection: Europe (Air) conical orthomorphic (central zone). Annotations: Latitude and Longitude parallel and meridian lines are emphasized with degrees and minutes circled in blue coloured pencil. Location: Research Collections, Gordon Griffith fonds.