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.

The Modern Greek Archive Collection includes records of the League for Democracy in Greece,1935-1992, the Greek Relief Fund, 1947-1984, and other associated bodies. Pre-1945 League for Democracy in Greece material includes a set of the Balkan Herald , 1935-1940, and surviving papers, 1943-1945, of the League's predecessor, the Greek United Committee, and one of its supporters, E Athanassoglou. Notably there are proofs of Sir Compton Mackenzie's The Wind of Freedom (published in London, 1944) and a photocopy of a telegram from Winston Churchill prohibiting favourable mention of EAM-ELAS by the BBC, 1944. The papers of the League itself date from 1945 to 1975 and include a large collection of press cuttings covering all British and some foreign press references to Greece during the period of the League's activity, with some later cuttings concerning Greece to 1992; material produced by the Greek News Agency including the Weekly Survey of Greek News and later monthly surveys, covering Greek and foreign press output and the Free Greek Radio Broadcasts, complete from November 1946 to September 1953 and January 1969 to January 1974 but otherwise incomplete, the contents of particular value for the period of the Civil War, 1947-1949, as they form a rare source for the broadcasts of Radio Free Greece; and eight volumes of the League's own duplicated information and organizational circulars. There are copies of all official British reports on Greece: TUC (Citrine), Legal Mission, March 1946 Election Observers, All-Party Parliamentary Delegation (1946); a fairly complete collection of Hansard for parliamentary references to Greece; reports of the UN Commission for observing the Balkans (1947-1950); daily broadcasts of the Greek refugee radio at Bucharest, 1970-1974; a large collection of pamphlets, leaflets and news bulletins, British and foreign; a large collection of material from similar organisations in other countries and from Greek refugee committees; and specialist journals. Over 280 files of the League's correspondence and information material cover its various campaigns. Over 23 files represent other organisations which donated material to the League's archives: British Branch of the Patriotic Anti-Dictatorial Front (PAM), Campaign for the Release of All Political Prisoners in Greece, European-Atlantic Action Committee on Greece, Greek Committee against Dictatorship. The papers include an important collection of archive material, arising from the League's work to stimulate British parliamentary action, particularly regarding persecution, on Greek government repression, Law 375/1936, the Emergency Measures Act of June 1946, Law 509/1947 on 'subversion', the operation of the special courts-material and the security committee, and the conditions in prisons and concentration camps, including dossiers on the cases of individual prisoners, supplemented by thesis material on Greek political legislation since 1921. There is a card index of junta detainees; material from the prisons and concentration camps, including two volumes of smuggled appeals (some in microscopic writing); and personal files on individual political prisoners and concentration camps detainees, 1945-1964, 1967-1974. A small library contains unusual publications of the Greek left. Other material comprises a photographic collection, in 18 albums, on occupation, resistance, liberation, civil war, prisons, prisoners, concentration camps, Greek refugee children, and activities abroad; loose photographic items; four reels of film including a Czech film of evacuated Greek children, c1949; and a collection of organisational stamps. Post-1975 material relates to the League's successor, the Friends of Democracy in Greece. Subjects covered by the Archive include the day-to-day evolution of the Civil War, 1947-1949; Greek political legislative and administrative measures; conditions in the prisons and concentration camps; the Greek trade unions; the 'kidnapped' or 'evacuated' children; the Greek political refugees in Eastern Europe; the operations of Greek anti-junta groups in Western Europe and the United States, 1967-1974; attitudes and action of the British Labour movement (Labour Party and trade unions) in regard to Greece, 1945-1974; individual political prisoners and concentration camp detainees; action regarding Greece in Western European countries, Australia, Canada, and the United States; and the operation of pressure groups (from the League's organisational material and correspondence with Members of Parliament and trade unionists). The papers from the Greek Relief Fund, 1947-1984, also contain material from its predecessor the League for Democracy in Greece Relief Committee, including minutes; administrative, legal and financial material; correspondence with donors and with organisations including branches of the Red Cross, relief funds, and pro-Greek democracy organisations in various overseas countries; material relating to appeals for funds for relief work; press cuttings on the visit of Queen Frederika of Greece to Britain, 1963; papers relating to visits to Greece and to conferences on Greece, including a draft paper, 1979, by Diana Pym on 'The British Philhellenic Movement, 1944-1974'; correspondence concerning the archives of the League for Democracy in Greece; and winding up of the Greek Relief Fund, 1984. The bulk of the material pertains to recipients of aid, including correspondence, and the papers are relevant to the resistance activities and prison records of individual Greeks opposed to the regime in Greece.