Papers relating to his service in World War Two, dated 1941-1946, 1941-1946, 1951, principally comprising semi-official and personal correspondence, 1941-1946, including letter to his wife describing events leading up to his dismissal from command of 7 Armoured Div, 1942; pamphlet on the Battle of Keren, Mar 1941, produced by Maj Gen Sir Nigel Trapp, HQEritrea District, for visit of Commander-in-Chief, Middle East Land Forces, to Keren battlefield, Eritrea, Mar 1947; Report to the Combined Chiefs of Staff by the Supreme Allied Commander South East Asia, 1943-1945 by AF Louis (Francis Albert Victor Nicholas) Mountbatten, 1st Earl Mountbatten of Burma (London, HMSO, 1951); operational notes and training instructions for 7 and 9 Indian Divs during the Burma campaign, 1943-1945; 'Warfare in undeveloped countries. Part 1: desert warfare', War Office publication written by [Messervy] in 1954; printed histories by Messervy and others describing operations in Burma by 12 Army, 14 Army, 4 Corps, 15 Indian Corps, 23 Indian Corps, and 25 Indian Div; Ministry of Information publications, dated [1945], concerning campaigns in the Middle East and Far East, 1941-1945, the Merchant Navy, 1939-1944, Combined Operations, 1940-1942, Britain's anti-aircraft defences, 1939-1942, and civil defence in the UK, 1940-1941, and the war effort on the Home Front, 1942-1944; Government of India publications,dated [1944-1946], describing the service of various divisions of the Indian Army during World War Two.

Papers relating to McNeill's career, 1942-1946, notably on Army-Air collaboration, 1942-1945, including typescript 'Eighth Army training memorandum No 1' by Lt Gen Bernard Law Montgomery, General Officer Commanding 8 Army, Middle East Forces [1942]; typescript memorandum by McNeill 'Recommendations for reorganisation of AASC (Army-Air Support Control)',1942; printed 'Middle East training pamphlet No 3B (Army and RAF). Direct air support', issued by General Headquarters, Middle East Forces and Headquarters, RAF, Middle East, 1943; typescript war diary of Detachment A, Air Support Control, 5 Corps, Italy, Mar-Jun 1944; typescript report produced by Headquarters 21 Army Group, British Liberation Army, North West Europe, entitled 'Notes on airsupport, June-October 1944', Nov 1944; typescript notes by McNeill entitled 'Offensive air support in the Burma campaign, 1944-1945'; two typescript draft chapters for a projected book entitled 'Air support in North Africa, Pantellaria, and Sicily, 1942-1943' and 'Air support in the Italian campaign, 1943-1945' [1946]; typescript account by Roy Smith entitled 'Air support in the desert: an account of the use of air forces in support of the Army from the Gazala battles in 1942 to the end in Tunisia', 1988.