Papers relating to the military career of Maj Gen Sir John Edward Capper, dated 1900, [1910] and [1913], 1917-1918, principally comprising typescript notes on military aeronautics, [1910]; text of his lecture to the Staff College on the effect of aircraft on war, [1913]; telegrams between German High Seas Fleet and V Adm Sir David Beatty, Commander-in-Chief of the British Grand Fleet, concerning the surrender of the former at Scapa Flow, 1918; 'Report of the commission appointed by Act of Parliament to enquire into the operations of war in Mesopotamia' (London, HMSO, 1917). Copy of typescript text on the Capper Medal Collection, Royal Military Academy, Sandhurst, [1969], including brief biographies of members of the Capper family.

Official illustrated edition of RAF Middle East: The Official Story of Air Operations in the Middle East, from February 1942 to January 1943 (His Majesty's Stationery Office, London, 1945); official illustrated edition of Atlantic Bridge: The Official Account of RAF Transport Command's Ocean Ferry (His Majesty's Stationery Office, London, 1945)

Papers relating to his RAF career, 1942-[1953], principally comprising correspondence relating to the development of a submersible target at RAF St Eval, Cornwall, 1942, dated 1948; manuscript notes on the problems of establishing Coastal Command Station, Nassau, Bahamas, as a training centre for Coastal Liberator crews, 1942; official report on the RAF occupation of Schleswig-Holstein, Germany, 5-11 May 1945; printed reports on the progress of air disarmament in Germany in 1944-1946, produced by British Air Forces of Occupation, 1945-1947; correspondence relating to his work as Director of Air Branch, Control Commission, Berlin, 1947-1949, and to the planning of the Berlin Airlift, 1948-1949; official report on organisation and structure of Berlin Airlift administration; RAF training course notes and papers, 1950; papers relating to his service as Assistant Chief of Staff, Allied Air Forces Central Europe, [1951-1953], notably including photographs of Waite, [1951-1953]; published RAF manuals, 1948, 1950.

Papers and photographs relating to Wilson's career, 1928-1990, especially his service as test pilot for British and captured German aircraft, 1937-1945, setting the world air speed record, 1945, and his role as Commandant, Empire Test Pilots' School, 1945-1947, including three flying log books, 1928-1944; typescript copy of unpublished memoir entitled 'Icy calm. Recollections of a wartime test pilot', written in [1972]. One hundred and seventy four official and personal photographs relating to Wilson's career, 1930-[1950], including damaged Bristol Bulldog fighter, crash landed by Wilson, UK, 1931; captured German aircraft Heinkel He111, Junkers Ju88, Messerschmitt Me109, Messerschmitt Me110 and Italian Fiat CR42 [1941-1945]; testing of CAM (Catapult Assisted Merchantman) aircraft launch apparatus and tests on Fairey Fulmar, Blackburn Shark and General Aircraft Hotspur gliders with RATOG (Rocket Assisted Take-Off Gear), 1941-1942; Empire Test Pilots' School students under instruction and in flight, 1945-1947; photographs of De Havilland Mosquito, Avro Lancaster, Hawker Tempest, Supermarine Spitfire, Gloster Meteor and De Havilland Vampire, 1945-1947; prototype of Planet Aircraft Satellite, 1948-1949. Contemporary reports, memoranda and official and personal correspondence, 1937-1990, including typescript memorandum by Wilson entitled 'Pilot's impressions of the [Blackburn] Botha', 1940; typescript report by Wilson entitled 'Observations of fighter requirements', 1940; typescript report by Wilson entitled 'Tactical trials and other observations on the De Havilland E6/41 (known as the DH100 Spider-Crab, later renamed Vampire) with Halford H1 engine', 1944, and Empire Test Pilots' School student's confidential report for Sqn Ldr J G Mann, RAF, Course No 3, 1946; typescript report by Cyril Francis Caunter entitled 'A historical summary of the Royal Aircraft Establishment 1918-1948', 1949; correspondence with potential publishers for Wilson's memoir, 1972-1990. Publications, 1946-1972, including two editions of The Times, 1946 and 1947, edition of The Aeroplane with article on the Empire Test Pilots' School, 1946, and booklet entitled 'Empire Test Pilots' School Personnel Supplement. List of graduates 1943-1972 and present staff' [1972].