The papers cover the period 1915-1978, and include papers on his service in World War One, in particular extracts from diary on Galliopoli offensive May 1915 and Allied raid on Zeebrugge, Apr 1918; correspondence, narratives of operations and photographs from service as Officer Commanding Sudan Camel Corps, 1927-1930; reports on defence of British Somaliland and accounts of Italian invasion of Somaliland from service as Officer Commanding Somaliland Camel Corps, 1937-1940; papers on service as Military Governor and Officer Commaning, British Somaliland, 1941-1943; papers on service as Officer Commanding Portsmouth Div Royal Marines, including narrative of Operation OVERLORD, 1943-1944; papers on service as Director of Combined Operations, India and South-East Asia, including notes on Operation LIGHTNING, 1944-1945; papers on service as Commander Chatham Group Royal Marines, including lecture notes1946-1948; unpublished manuscripts on aspects of Allied war effort in British Somaliland; papers on service as Honorary Colonel Somaliland Scouts, 1948-1958, and membership of Anglo-Somali-Society, 1960-1978.

Papers relating to Crick's service in the Western Desert, 1941-1943, as Instructor, War Intelligence Course, School of Military Intelligence, Matlock, Derbyshire, 1943-1944, and with Operational Intelligence, G2 Division, Supreme Headquarters Allied Expeditionary Forces (SHAEF), 1944-1945, including copy of War Diary, General Staff Intelligence Branch, Headquarters 8 Army, 25 Sep-31 Oct 1941; typescript memorandum by Crick 'The possible effect of CROSSBOW on OVERLORD', on how Operation CROSSBOW, (Allied countermeasures against German V-weapons), could influence Operation OVERLORD, (the Allied invasion of occupied Europe), Mar 1944; typescript memorandum by Crick 'The heart of Germany', on the importance of the Ruhr industrial region to Allied strategy, Mar 1944; typescript report by Crick on visit to OKW (Oberkommando der Wehrmacht, the German Armed Forces High Command), Flensburg, Germany, 11 May 1945. Papers relating to Crick's service with the British Joint Services Mission, Washington DC, USA, 1953-1956, including typescript text of lecture by Maj Gen Sir Kenneth William Dobson Strong, Director of Joint Intelligence Bureau, on UK and US Intelligence collaboration and spheres of influence [1953]; typescript memorandum 'Probable Bloc preoccupations in Asia, including Middle East, until mid 1955' [1953]; papers relating to the reorganisation of the Economic and General Division of the Joint Intelligence Bureau, 1956. Papers relating to the Imperial Defence College tour of Pakistan, India, East Pakistan, Ceylon and Aden, Aug-Sep 1960, including itineraries, travel arrangements, three photographs, invitations and a printed map of the Middle East showing oil wells, refineries and pipelines, 1960. Manuscript and typescript notes for a lecture by Crick entitled 'A career in Intelligence', given at Intelligence Corps course, with one audio tape of 20 minute lecture by Crick on interrogation techniques, Ashford College, Kent, Oct 1984. Edition of In the caves of the mind. Poems by Alan Crick (Privately published, Rye, Sussex, 1992). Newspaper cuttings, photographs and publications, 1938-1959, including German newspaper cuttings relating to the visit to Danzig by Rt Hon Alfred Duff Cooper, First Lord of the Admiralty, Aug 1938; three editions of Battledress. The Cadet magazine, Feb-Jun 1940; nine editions of The Crusader Eighth Army Weekly, Oct 1942-Apr 1943; sixteen editions of 'Interim. British Army of the Rhine Intelligence Review', Jun 1945-Apr 1946; three editions of 'Occupation. British Army of the Rhine Intelligence Review', May-Jul 1946. Edition of '21st (British) Army Group in the campaign in North West Europe 1944-1945. Lecture by Field Marshal Sir Bernard L Montgomery to the Royal United Service Institution, London, October 1945'; six photographs and five copies of photographs of Crick, Western Desert and Germany, 1941-1945, and two group photographs, Staff and Students, Joint Services Staff College, 1948, and Military Attachés Conference, Episkopi, Cyprus, 1959.

Twelve detailed, narrative, manuscript diaries, Jan 1933-Aug 1936 and Jan 1938-Dec 1944 (with postscripts added in Jan and Sep 1945), including Pownall's time as Military Assistant Secretary, Committee of Imperial Defence, 1933-1935, Commandant, School of Artillery, Larkhill, Wiltshire, 1936-1938, Chief of General Staff, BEF (British Expeditionary Force), France, 1939-1940, Commander-in-Chief, British Forces in Northern Ireland, 1940-1941, and Chief of Staff to Supreme Allied Commander, South East Asia Command, 1943-1944, with aerial photograph of Belfast, Aug 1940, and a group photograph of the officers of South East Asia Command [1945], typescript extracts from reports, letters and typescript extract from the diary of Maj Gen Edmund Archibald Osborne, on the campaign in France, 1940. Also, printed order of service in memory of FM John Standish Surtees Prendergast Vereker, 6th Viscount Gort, 10 Apr 1946, and related newspaper cuttings. The diaries were published as Chief of Staff. The diaries of Lieutenant General Sir Henry Pownall, edited by Brian James Bond (Leo Cooper, London, 1972).

Papers of ACM Sir Neil Wheeler including training account, report, press cuttings and photographs, 1939-1991, notably a comprehensive report on the Royal Air Force Operations in Malaya, June 1948-March 1949, produced by Air Headquarters, Royal Air Force Malaya, May 1949; text for talk by Wheeler on early aerial photographic reconnaissance, delivered at a Royal Air Force Historical Society seminar, 1991; undated detailed account of training for, planning and leading wing strikes against shipping convoys, 1942-1943. Cutting of article 'Cameramen of the Air: Photographing bomb damage - vital work of RAF PRU'S (Photographic Reconnaissance Units)', from The Times, 1 Sept 1943. Printed maps of Norwegian, English, French and German coastlines, [1942], with handwritten annotations. Album of Photographic Reconnaissance Unit photographs, 1940-1941, many with captions, showing locations in France, the Netherlands, Germany and Norway including: Brest harbour; anti-aircraft fire over Cherbourg; Morlaix; Brest; Chateau Bougon Aerodrome, Nantes; Nantes; St Nazaire; La Rochelle; La Pallice; Rochefort; Bordeaux; Dunkirk, showing wrecks on beaches; Le Havre; Zeebrugge; Boulogne; railway yards near Calais; Vlissingen Aerodrome; Antwerp; Ter Neuzen; Flushing; St Inglevert Aerodrome; Knickerbein W/T beam stations; Amsterdam; Ijmuiden; Gravelines; the Nordzee Canal; Caen; Schipol aerodrome; Stavanger; Bergen; Egersund Port; convoys in the Skaggerak area; Herl-Herdla Aerodrome; Lista aerodrome; Kiel; Bremerhaven; Brunsbuttel; Wilhelmshaven; The Hague; Dieppe; Rotterdam; Poix Aerodrome; Ostend; also photograph of shelling damage in Guernica, Spain, 2 Jun 1941; photograph of office showing maps and operations board for 8 Apr 1941; printed map with drawn annotations showing the ranges in nautical miles of medium range, long range, super long range and extra super long range Spitfires from Wick, St Eval and Heston. Loose photographs, 1939-1943, many with captions, showing: aircraft including a Maryland, a Swordfish, a Hawker Fury and a Heyford; Wheeler and colleagues at airfields in Wick, Scotland and St Eual, Cornwall, 1941; Wheeler and aircrew of 236 Squadron, 1943. Also painting of the insignia of 236 Squadron.