GSGS (Series) ; 4534. GSGS (Series) ; 4072. 2nd ed. "Published by War Office 1940". "G.S.G.S. No. 4524" has been crossed out. "Compiled and drawn at War Office 1940. Heliographed Ordnance Survey 1940." "Compiled and drawn at G.S.G.S.(A.M.)". "Projection. Europe (Air) conical orthomorphic (central zone)". Part of the Gordon Griffith fonds.
