Chief of Imperial General Staff semi-official file, 2a: including Brooke's correspondence with Gen Sir John Greer Dill, head of the British Joint Staff Mission, Washington, and Rt Hon Winston (Leonard Spencer) Churchill, Prime Minister, 1-3 Oct 1942, on Dill's decision to not to take up appointment as Governor of Bombay; telegrams, 6 Apr-7 Nov 1944, concerning Dill's illness and death; correspondence, 18-25 Sep 1945, on Dill Memorial Fund at Cheltenham College. The file also contains papers created or collected by Dill as Chief of the Imperial General Staff, 1940, including correspondence with FM Bernard Law Montgomery, Commander, 5 Corps, 25 Sep-25 Dec 1940, concerning the appointment of Dill's son as Aide-de-camp to Montgomery; 'Tactical notes', pamphlet on land tactics [issued to 1 Corps], Oct 1940, with covering letter, 4 Jan 1941, to Dill from Lt Gen Harold Rupert Leofric George Alexander, Commander, 1 Corps.