Includes typescript and galley proofs of Chapter 33 entitled "The Clash at Sea" (provisionally entitled "Hitler Invades Norway" and "The Clash of the Fleets"), annotated with suggested amendments and corrections by various people including: WSC, William Deakin and Sir Edward Marsh.Also includes source material including: a copy of a letter from King George VI congratulating WSC on the Navy's work at counter-acting the German offensive in Scandinavia (1940).Most of the material in the file dates to 1947.