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.