Manuscript narrative diary relating to Dewing's service as Director of Military Operations, War Office, and as Chief of Staff to ACM Sir (Henry) Robert (Moore) Brooke-Popham, Commander-in-Chief Far East, 1939-1941; two typescript narrative diaries relating to Dewing's service as Head of Army and Air Liaison Staff, Australia, 1943-1944, and as Head of Supreme Headquarters, Allied Expeditionary Force (SHAEF) Mission to Denmark, 1944-1945, with typescript 'Notes on my relations with Swedish Services and Government' [1945]; typescript biographical account of Dewing's career by his son, William Dewing [1979].

Papers relating to his life and career, 1924-1971, principally comprising papers relating to his work as British Ambassador to Jordan, 1956-1959, including newspaper cuttings concerning the termination of the Anglo-Jordan treaty of 1948, 1956-1959, and correspondence relating to the stationing of British troops in Jordan, 1958; papers relating to his work as Governor, Commander-in-Chief and High Commissioner, Aden, 1960-1963, dated 1960-1970, including his official reports to the Foreign Office on his visits to the Protectorate states, 1960-1962, his correspondence with King Hussein of Jordan, 1960-1962, newspaper cuttings relating to the merging of Aden with the South Arabian Federation of Arab Emirates, 1960-1963; correspondence concerning British policy towards the South Arabian Federation, particularly the withdrawal of British troops from Aden, 1964-1970; his official report to the Foreign Office concerning the trials in Madrid of opponents of the Franco regime, 1950; notes, cuttings and correspondence concerning Britain's policy towards Japan, 1931-1941, and the signing of the Japanese Peace Treaty, 1951, dated 1971-1975; notes on Australian personalities and contacts written for Sir Morrice James, Johnston's successor as High Commissioner of Australia, 1971; drafts,typescripts, correspondence and reviews of published memoirs The view from Steamer Point (Collins, London, 1964), Mo and other originals (Hamilton, London, 1971) and The brink of Jordan (Hamilton, London, 1972); notes and fragments of unpublished memoirs, dated 1936-1985, mainly relating to his service in the Foreign Office, 1936-1939, Japan, 1939-1942, and Australia, 1965-1971. Photographs, [1938]-1971, principally comprising official photographs relating to his service in Jordan, Aden and Australia. Papers relating to published and unpublished poetry and translations, principally comprising drafts of For Leagros and other poems (Basil Blackwell, Oxford, 1940), Towards Mozambique and other poems (Cresset Press, London, 1947), Estuary in Scotland (privately published, 1974), Poems and Journeys (Bodley Head, London, 1979), Rivers and fireworks (Bodley Head, London, 1980), Talk about the last poet (Bodley Head, London, 1981), Choiseul and Talleyrand (Bodley Head, London, 1982), The Irish lights (Bodley Head, London, 1983) and translations of Turgenev, Pushkin and Lermontov.

Papers relating to his military career, 1914-1945, dated 1914, 1917-1918, [1945]-1978, principally comprising typescript texts of lectures, [1965-1975], on his service with the Australian Military Forces, 1937-1939, the planning and execution of Allied invasion of North Africa, 1942, and his service with the SOE, North West Europe, 1943-1945; correspondence with Sir ArthurWynne Morgan Bryant, 1978, concerning Mockler-Ferryman's service with Maj Gen John Greer Dill, Commandant, Staff College, Camberley, 1933, and Gen Sir Alan Francis Brooke (later FM Alan Francis Brooke, 1st Viscount Alanbrooke of Brookeborough), Commander-in-Chief, Home Forces, 1940-1941.

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.