Low level Beaufighters over Burma: a review of the low level attacks carried out during September by 27 and 177 Beaufighter Squadrons', an official report including photographs and map, written by Baldwin in 1943.

Papers of Ivor Bowen, 1926-1973, relating to his career in aeronautics, comprising manuscript volume entitled 'Bomb and Bombsight figures'; photographs, some captioned, relating to a long haul flight to Singapore, 1946, including exterior and interior details of plane and an aerial view of Singapore; Air Ministry Laboratory report, 'Bomb ballistics experiments, Orfordness, 1926', written by L C Bygrave and Ivor Bowen, including aerial photographs, photographs of recording equipment, bomb at moment of release, cine film stills of explosion, detailed technical drawings of recording equipment and periscopic bomb sight, and graphs of time lags, trail angles and fall times of bombs; publications relating to aeronautics including Air Ministry manuals, chiefly on air navigation, 1926-1941; typescript draft handbook, 'Aircraft compass installations', by C S Hudson, for publication by HMSO, [1949]; patents issued to General Precision Laboratory, USA, 1956-1959; lecture text, 'The development of visual landing for flight simulators' by G M Hellings, Chief Scientist, General Precision Systems Ltd, Oct 1961; technical product descriptions including for Miniature Inertial Navigation System (MINS), produced by Kearfott Division, USA and Kearfott C702519001 floated rate-integrating gyro, Aug 1962; performance data for floated rate-integrating gyro King II, produced by Kearfott Division, USA, Dec 1962; offprint articles on aeronautics, 1962; memoranda and minutes of meetings of the Air League, 1963-1973; 'Unservile State Papers, no 15: A Defence for Britain' by Anthony Paice, Liberal Publication Dept, [1966]; letter from I J Bettison, General Equipments Ltd, Adelaide, Australia, 3 Jun 1963, on selling flight simulation training systems; and 'extracts from the technical supplement to the annual report of the Aeronautical Research Council', 1 Apr 1965.

Publications, mostly official, relating to UK defence policy, notably, defence expenditure, and equipment procurement, 1960-1990, including ninety-seven editions of House of Commons Official Report. Parliamentary debates (Hansard) (HMSO, London, 1964-1990) and thirteen editions of House of Lords Official Report. Parliamentary debates (Hansard) (HMSO, London, 1975-1990); fifty, mainly UK and USA official printed reports, 1960-1989, including Navy estimates, 1960-1963, Statement on the Defence Estimates (HMSO, London, 1966-1973, 1975-1981, 1988-1989); reports from the House of Commons Defence Committee, 1981-1989; reports relating to specific issues, notably strategic nuclear deterrence, 1973-1982, and the Falklands conflict, 1982-1987. Newspaper cuttings, 1968-1992, mostly relating to Malta, 1968-1972; Soviet seapower in the Mediterranean, 1969-1972; International naval affairs, 1970-1971; South Africa, 1970-1971; the Iran-Iraq War, 1980-1988; the Falklands conflict, 1982; US intervention in Grenada, 1983; Soviet defence policy, 1984-1988; NATO (North Atlantic Treaty Organisation), 1984-1990; UK, US and European defence policy, 1984-1992; the US bombing raid on Libya, 1986; the Gulf War, 1991.

Papers of Gp Capt Henry John Cundall on his RAF service, 1937-1961, comprising photocopies of flying log books, Jan 1937-Oct 1960, and file of papers on RAF service, 1937-1961. Log books include outline record of service, 1937-1960, details of ranks held, awards, and types of aircraft flown; file of loose papers includes photocopies of RAF College Cranwell examination papers for Flight Cadets, Apr 1938; Bomber Command training transfer card, Dec 1938; Royal Aircraft Establishment graph of speed; certification green cards for Cundall as a pilot, 1951 and 1956; notes on 'Morale and leadership' in the RAF, Jan 1951 note on the correct recording of flying times for pilots' flying log books [1952]; Chart of ranges of Meteor 7 aircraft, according to altitude and condition, [c.1952]; Checklist for Canberra B2 and T4, [c. 1956]; 'Drills for abandoning Canberra aircraft in extreme emergency' [c.1956]; press cutting from The Times , 31 Jul 1961, 'Constant preparedness at missile station', re Bloodhound missiles at RAF Watton, Norfolk, quoting Cundall as Commanding Officer; letter of appreciation from AM Sir Hector McGregor, Fighter Command HQ, Bentley Priory, 31 Oct 1961, on Cundall's retirement; press cutting from The Sunday Times , 16 Jan 1983, 'Operation Oboe: flying heroes 40 years on', referring to Cundall; press cuttings from Eastern Daily Press , 3 Feb 1995, 'The Wooden Wonder goes to war' and 'Mosquito master of skies: hazardous missions from Norfolk', relating to launch for The men who flew the mosquito , by Martin Bowman (Patrick Stephens, Sparkford, 1995); Note on minimum weather requirements for flight clearance for pilots holding white certification cards and green certification cards, [1951]; Graph of static thrust and RPM for an Rolls Royce Avon engine, [1950s]

Midshipman's log book, by Currey, 1876-1878, including service on HMS DUKE OF WELLINGTON, Flagship of Adm Sir George Elliot, Portsmouth, Dec 1876-Jan 1877, HMS ALEXANDRA, Mediterranean Fleet, Jan 1877-Aug 1878 and HMS CRUISER, Mediterranean Fleet, Aug-Sep 1878; papers and plans relating to anti-submarine warfare, 1913-1915, including typescript draft text of lecture by Currey entitled 'Hints on organised coast defence v submarines' [1914]; fifty six manuscript naval signals, Aug-Dec 1914, including signals to R Adm, 5 Battle Sqn from the Admiralty on support to be given to operations by Chatham Royal Marine Force at Ostend, Belgium, 26-27 Aug 1914, signals relating to the loss of the battleship HMS AUDACIOUS to a mine in the Atlantic, 27 Oct 1914, and signals ordering RN battlecruisers HMS INVINCIBLE and HMS INFLEXIBLE to sea, 4 Nov 1914 (prior to the Battle of the Falklands Islands, 8 Dec 1914); journal and signal book kept by Mid Richard Reynell on board Currey's flagship, HMS PRINCE OF WALES, 1914-1915.

Papers of Gp Capt Albert Peter Vincent Daly on his Army and RAF service, 1910-1945; comprising papers on service as Private with 1st Canadian Expeditionary Force, Aug-Dec 1914; notebook 'My Experiences with the British Expeditionary Force, France, 1915' giving account of service with 4th Connaught Rangers, 6-11 May 1915; transcripts of letters to his mother, 1914-1918; copy of Daily Sketch , 13 July 1915, containing paragraph on Daly; papers on service with 8 Sqn and 29 Sqn, Royal Flying Corps, Western Front, 1916-17, including account of being shot down by Lt Werner Voss on 1 Feb 1917, and subsequent imprisonment as prisoner of war; cutting from German newspaper (with English translation), 24 April 1918, article by W Scheuermann, 'Richthofen's Last Flight' on the death of Baron Von Richthofen; papers on service with RAF, 1919-1939, including copy of The London Gazette , 1 Aug 1919, containing list of officers granted permanent commissions in the RAF; service with Inter-Allied Aeronautical Commission, Bulgaria, 1920; service with 60 Sqn, North West Frontier Province India, 1922-1923, including two "Blood Chits"; and service as Air Attaché, British Embassy, China, 1930, including Chinese passports; account of service in World War Two, as Station Commander, RAF Marham, 1937-1940, St Athan, Wales, 1940-1942; Base Commander, North Africa and Italy, 1942-1944; President of Courts Martial, Italy, 1944-1945; Representative of British Red Cross, Sweden, 1945; photographs of Daly, his decorations and of RAF Marham, 1939, with Fairy Hendons of 38 Squadron and Handley Page Harrows of 115 Squadron

The collection consists primarily of master copies and research papers for Dean's book on the RAF, The Royal Air Force and two World Wars, foreword by Sir Arthur Travers Harris (London, Cassell, 1979). The research papers contain Dean's correspondence on aspects of RAF history with leading RAF personnel of the period before and during World War Two, in particular with ACM Sir Arthur Travers Harris with comments by him on the text of Dean's book, particularly on sections relating to Bomber Command. There is also a correspondence between Harris and MRAF Sir Charles Frederick Algernon Portal over the issue of bombing targets. Also included are extensive research notes from Public Record Office files and from secondary sources. The collection includes a paper written by Dean on dynamics and optics, 1928; papers relating to the development of airships and the crash of the R101 airship dating from Dean's initial period at the Air Ministry, 1929-1943; texts of lectures and seminars relating to the Civil Service given by Dean at the University of Strathclyde and other colleges and entries and related papers compiled by Dean for the Dictionary of National Biography (Oxford University Press, Oxford).

Thirty eight audiotapes of interviews, conducted by Gelb between 1983 and 1984, with veterans of the Battle of Britain, 1940, used as research material for Gelb's book Scramble: a narrative history of the Battle of Britain (Michael Joseph, London, 1986), including interviews with ACM Sir Christopher (Neil) Foxley-Norris, AM Sir Denis Crowley-Milling, AVM Harold Arthur CooperBird-Wilson, AVM George Philip Chamberlain, Maj Gen Basil Perronet Hughes, AVM Alexander Vallance Riddell Johnstone, Air Cdre Edward Mortlock Donaldson, Air Cdre John Lawrence Wemyss Ellacombe, Gp Capt Sir Hugh (Spencer Lisle) Dundas, Wg Cdr Robert Roland Stanford-Tuck, 1983-1984; two paperback editions of Scramble: a narrative history of the Battle of Britain (Pan, London, 1986).

Papers relating to Gibbs' early career, 1917-1927, including typescript copies [1972] of combat reports written by Gibbs, 17 Sqn, Macedonia, 1917-1918; typescript notes by Gibbs entitled 'Service experiences', 1926; typescript Staff College essay entitled 'Leadership and morale', 1927. Nine typescript texts of lectures by Gibbs, 1948-1972, on the RAF in World War Two, post war airpower, India and the Indian Air Force and the North Atlantic Treaty Organisation (NATO), also 'Air power in modern war', by MRAF Arthur William Tedder, 1st Baron Tedder of Glenguin, 1947. Papers relating to Gibbs' career in the RAF, 1945-1954, including correspondence and typescript notes by Gp Capt I C Bird on the war efforts of India, South Africa and the Colonies [1948]; letter andgraph by Wg Cdr J D Warne, dated 1949, on numbers of sorties flown and losses suffered by the Luftwaffe and the RAF during the Battle of Britain, 1940; typescript copies of correspondence between Gibbs and Adm Louis Francis Albert Victor Nicholas Mountbatten, 1st Earl Mountbatten of Burma, Commander-in-Chief, Mediterranean, 1953; typescript report by Gibbs entitled 'Report on the progressand the policy problems of the Indian Air Force', 1954. Papers and correspondence, 1955-1984, including typescript article by Gibbs entitled 'The lessons of Skybolt, Britain's new defence plans', with letter from Sir Hugh (Nicholas) Linstead MP, 1963; typescript memorandum by MRAF Sir John Cotesworth Slessor entitled 'Integration of the Services within the new defence organisation', 1964;correspondence with Dr G Vincent Orange, History Department, University of Canterbury, Christchurch, New Zealand, dated 1982, concerning research for A biography of Air Chief Marshal Sir Keith Park GCB, KBE, MC, DFC, DCL (Methuen, London, 1984), with copy of letter from ACM Sir Keith Rodney Park, Air Commander-in-Chief, South East Asia to MRAF Sir Charles Frederick Algernon Portal, Chief of the Air Staff, relating to the possible replacement of Gibbs as Chief Air Staff Officer, Supreme Headquarters South East Asia Command [1945]. Copies of Gibbs' letters to the press, 1955-1982, relating chiefly to defence issues, service pensions, capital punishment, immigration and Rhodesia. Publications and articles, 1928-1961, including copy of Air Ministry Air Publication 1308 entitled 'A selection of lectures and essays from the work of officers attending the fifth course at the Royal Air Force Staff College, 1926-1927', (HMSO, London, 1928), including article by Gibbs 'Lecture on fighter squadrons in air defence'; article by Gibbs 'Aircraft types and strategical mobility', Journal of the Royal Air Force College, 1930; booklet by Gen Sir Archibald Percival Wavell entitled 'Generals and Generalship' (reprinted from The Times, London, 1941); three editions of Impact magazine, subtitled 'US Tactical air power in Europe', May 1945, 'Strategic air victory in Europe', Jul 1945, and 'Air victory over Japan', Sep-Oct 1945; restricted pamphlet by MRAF Hugh Montague Trenchard, 1st Viscount Trenchard of Wolfeton, entitled 'Air power', 1946; restricted pamphlet by US Gen Carl A Spaatz entitled 'American views on air power', 1947; article by ACM Sir Keith Rodney Park entitled 'Background to the Blitz, from Hawker Siddeley Review, Dec 1951; article by Gibbs 'The development of defence in NATO's second decade', The British Survey, Feb 1959; article entitled 'Maintaining the deterrent in the future', by Gibbs, The Aeroplane, Mar 1961.

Papers, diaries and photographs relating to Glover's RAF service, 1940-1946, including typescript 'Notes on organisation of enemy aircraft section' by Flight Lt P B Horne, 5 Jul 1941; one manuscript narrative diary, 16 Nov 1941-9 Jan 1942, with RAF Officer's service and release book, 1946; two manuscript narrative diaries, 1943 and 1944, with copy of manuscript pocket diary, 1945; two typescript reports by Glover, as member of Allied Technical Air Intelligence Unit, South East Asia, relating to landing by US 41 Div on Wake Island (north of New Guinea, Dutch East Indies), 16-17 May 1944, and Biak Island (north west of New Guinea, DutchEast Indies), 27 May 1944; typescript notes on the formation and operations of Allied Technical Air Intelligence Unit, South East Asia, 1944-1945; manuscript list of US Navy, USAAF and RAF personnel, Allied Technical Air Intelligence Unit, South East Asia, [1945].Photograph album containing 29 captioned photographs, Feb-May 1942, containing Allied officers on board ship KOTA GEDE, following the evacuation of Java, Dutch East Indies, 26 Feb 1942; Calcutta, India, Apr 1942; Mandalay, Burma, Apr 1942; RAF Hawker Hurricane fighters landing at Chittagong, India, May 1942. Sixty seven loose photographs, some captioned, Far East, 1944-1946,including British and US personnel of Allied Technical Air Intelligence Unit, South East Asia [1944-1945]; USAAF C47 Douglas Dakota transport aircraft in flight [1945]; aerial photograph of Allied POW camp, Burma, Aug 1945; official Japanese surrender ceremony, Saigon, French Indo China, 1946; portrait photograph of Glover as a Wg Cdr, RAF [1946].

Papers relating to his RAF service, 1931-1961, principally comprising his flying log book, 1931-1954, including details of bombing missions, North West Europe, 1944-1945; unsigned typescript report recommending the rearming of No 232 Wing and No 252 Sqn with Mosquito XXVIs, [1945-1946]; photograph of portrait of MRAF Hugh Montague Trenchard, 1st Viscount Trenchard, by Francis Beresford, signed by Beresford, 1955.

Papers relating to his RAF career, 1939-1951, dated [1939-1951], 1984-1985, [1987], 1991, 1993, particularly his service in the USSR, 1941, and Sweden, 1948, principally comprising photographs of Haw and his RAF colleagues, [1939-1951]; press cuttings, 1941, [1946], 1948, 1956, [1987], 1991, [1993]; 'Pilot's notes for Spitfire 22 and 24 Griffon 61 engine' (Air Publication 2816 B andC), prepared by the Air Ministry, 1947, with amendments list, 1950. Audio tape of interview with Paul Hamlin, 1993, concerning Haw's service at Coolham Airfield in 1944.

Papers of (David) Colin Humphreys. Typescript background details of students on Imperial Defence College course, London, 1970; typescript paper by Humphreys entitled 'The history of British Defence Policy 1975-1985', written whilst a student at the Imperial Defence College, London, 1970; typescript and manuscript notes and texts of lectures by Humphreys and papers relating to various conferences, 1981-1984; typescript North Atlantic Treaty Organisation (NATO) confidential paper by Humphreys entitled 'Study on the politico-strategic aspects of maritime nuclear warfare in the NATO area', 1979; typescript copy of 1926 official memorandum entitled 'Organisation of the RAF, 1919-1926'; photograph album compiled by Lt James Cranmer (father of Mrs Humphreys), Royal Regiment of Artillery, Middle East, World War One [1915-1918].

Papers, photographs and publications of Gp Capt James Henry Iremonger, relating to his career, 1936-1959, including: orders for 1 Airborne Allied Army for Operation MARKET, Netherlands, 17 Sep 1944; Second Army intelligence summaries, 2-4 May 1945; 83 Group intelligence summaries, 34 May 1945; stereoscopic slides of aerial photographs showing results of RAF bombing raids over France and Germany, 1943-1944; copy pages from Iremonger's flying log book, 1936-1958; Bag the Hun! (Air Ministry, Apr 1943), a booklet of mathematical exercises for fighter pilots.

Correspondence and papers of Sqn Ldr Anthony Thorburn Irvine, 1922-1941, including; letters to his parents from Eton and Oxford, 1922-1935; letters to his parents from flying training, Yorkshire, 1935; letters to his parents from RAF Amman, Transjordan, 1939; letters to Katherine Lowick (subsequently Katherine Irvine) and to his parents, 1940, including an account of his unauthorised raid on the Italian naval base at Massawa, Eritrea, June 1940; telegrams to Katherine Irvine from Egypt, Feb-Mar 1941; letters of condolence to family, 1941; family correspondence with Red Cross and with Air Ministry, 1941-1942, concerning Irvine's death. Also papers relating to research on Irvine by James Irvine (son), including: correspondence, 1982-1996, relating to 211 Squadron in Greece, 1941; account of Irvine family history by James Irvine, with detailed account of Irvine's last raid, Parymythia, Greece, Apr 1941; autobiography by Diana Athill, Instead of a letter (this edition Granta, London 2001), detailing her relationship with Irvine (whom she names 'Paul').

Papers relating to his service in Hedjaz (Hejaz), 1916-1919, dated 1916-1919, 1936, 1963, 1939, 1941, 1963, 1965, principally comprising official correspondence relating to operations against the Turks in Hedjaz, 1916-1918, and supplies and stores for bases at Rabegh, Wedj, Yenbo, Akaba and Abu Lissal, 1916-1918, and including letters to and from Thomas Edward Lawrence (laterShaw), Col Cyril Edward Wilson, Gen Sir Gilbert Falkingham Clayton, and Lt Col Alan Geoffrey Charles; correspondence and notes concerning the meeting between Emir Feisal (later Feisal I, King of Iraq) and Dr Chaim Weizmann on 4 Jun 1918, dated [1918] and 1963;typescript text on the history and future of the Arab movement, [1919]; scripts concerning his service with Lawrence in Hedjaz, 1916-1918, written for television broadcasts in 1939 and 1941; official reports on bomb attacks on the Hedjaz railway by X Flight and No14 Sqn personnel, 1917-1918; official reports of reconnaissance flights by X Flight and No 14 Sqn, 1917-1918; diary by Capt H S Hornby describing raids on the Hedjaz railway, May 1917 and May 1918; account by Lt Col Frederick Gerard Peake of Turkish attack on Tafas,Sep 1918, dated 1965.

Royal Naval Air Service/RAF pilot's flying log book, 1918-1924; three RAF pilot's flying log books, 1924-1926, 1934-1936 and 1937-1946. Four photograph albums, with many captioned photographs of Lynch's service in Turkey and southern Russia, 1919, and Iraq, 1931-1934, also 51 photographic negatives, mostly of southern Russia, 1919. Personal papers and photographs,1917-1946, including printed RAF certificate for the completion of a course in 'Aerial gunnery and bombing, Eastchurch, Kent, 1924, congratulatory letter to Lynch, concerning a successful air display, from AVM Cyril Louis Norton Newall, Air Officer Commanding Wessex Bombing Area, 1931, and printed service history, compiled by Lynch's son, 1994.

The MAGIC Documents: Summaries and Transcripts of the Top-Secret Diplomatic Communications of Japan, 1938-1945, is a themed microfilm collection relating to US deciphers of Japanese diplomatic codes through the use of MAGIC decryption, 1938- 1945. The collection contains copies of deciphered official and unofficial Japanese diplomatic communiqués sent from Japanese personnel stationed at embassies and consulates in the Far East, Europe and the Middle East, to Tokyo, Japan, 1938-1945, and includes material relating to Japanese civil, political and economic conditions and policies, military expenditures, strategy, tactics, and campaigns, and eventual peace initiatives and surrender, 1938-1945. Included in the collection are deciphered messages concerning Japanese perceptions of Allied strategy against Japan; the effect of Allied air raids on Japan; Japanese relations with the German Foreign Office; Japanese relations with the governments of Burma, Indo-China; Korea, Netherland East Indies, Siam, China, the Philippines; perceptions of Allied chemical warfare capabilities; perceptions of Allied Lend-Lease naval forces and strategy; British and French relations with colonies in the Far East; control of industry in Manchuria (Manchukuo); perceptions of Axis strategy and Japan's role within it; Japanese interest in Indian nationalism and the Indian Independence League; the Burma-Siam railway; Japanese attacks on the Burma Road, the supply route which connected Burma to Generalissimo Chiang Kai- Shek's nationalist forces in China; administration of the government of Japanese occupied Nanking, China; the Chinese Communist Party; the rationing of clothing and food in Japan; perceptions of the Soviet Comintern Pact; Japanese relations with German, European, and Chinese banks; Japanese relations with Spanish Gen Francisco Franco Bahamonde, the German High Command and Italian Prime Minister Benito Mussolini; interpretation of the Greater East Asia Co-Prosperity Sphere; concern for Japanese nationals abroad, 1937-1945; Japanese naval strategy and tactics; function of the Japanese Consular Police, China; territorial claims on the Kurile Islands; material relating to Japanese military campaigns during World War Two; Japan's search for strategic resources in the Far East; military strengths and dispositions of the German Armed Forces; the origins of the Russo-Japanese Neutrality Pact; Allied and Axis propaganda methods; the treatment of Allied prisoners of war; the surrender of Japanese armed forces in the Far East.

Copies of papers collected or created by Maze, 1914-1975, principally comprising correspondence with his World War One colleagues, 1918-1972, mainly relating to the second Battle of the Somme, 21 Mar-5 Apr 1918, and including letters from Gen Sir Hubert (de la Poer) Gough, 1918-1919, 1935, 1939, 1951, 1954-1956, 1963, Lt Gen Sir (Arthur) Edward Grasett, 1965, 1970, and LtGen Sir Frederick Ivor Maxse, 1919; photographs of Maze, 1914-[1918] and Gough, 1915; correspondence with Rt Hon Winston Leonard Spencer Churchill concerning the Home Guard, 1943; photographs of ACM Sir Arthur Travers Harris, 1944; two typescript lists ofGerman towns attacked by British bombers, 1945.