Edition of A Gazetteer of Greece published by the Permanent Committee on Geographical Names for the Admiralty and War Office (House of the Royal Geographical Society, London, 1942). Also, official 1945 edition of RAF Map Catalogue containing lists of maps of Europe, the Middle East and the Far East held by the RAF and published by Directorate of Military Survey, Middle East; Directorate of Survey, Geographical Section General Staff, India; the Australian Survey Corps; the Aeronautical Chart Service; US Army Air Forces; and the Army Map Service, US Army. Book of maps published by the Institute for Army Education relating to the British campaign in Burma, 1942-1945, and including maps of Northern Arakan, the Assam Front, the Kohima Sector, the Imphal Sector, the Irrawaddy, and campaigns in Burma and Eastern India, 1942-1945. Ministry of Defence map and air chart sales catalogue containing details of all maps and aeronautical chart series released for sale to the public by the Ministry of Defence, including world surface maps, aeronautical topographical and planning charts, and special navigational charts, 1968- 1971.

Photographs relating to his service in the Middle East, 1941-1943, and North West Europe, 1945, including official photographs and diagrams of the flak control tower at Nansum, Netherlands, 1945, and official photographs and report on the Möhne Dam and its defences, Germany, [1943]. Notebook relating to his work as a gunnery instructor, ND, including photographs, [1939-1945].

Papers, photographs and maps, relating to operations in Greece and Italy, 1943-1945. Papers relating to the Allied Military Mission to Greek guerrillas (andartes) in German occupied Greece include: military instructions; financial papers; correspondence; Maj Ronald R Prentice's accounts book and account of Lingen's return to Grevena after the war. Papers relating to the political and military liaison mission to Italian partisans in Vittorio Veneto, including the Nino Nannetti Garibaldini Division, led by Col Francesco Pesce 'Milo', (Operation GELA BLUE), 1944-1945 and papers relating to establishing Allied Military Government in North East Italy following German withdrawal, 1945-1946, including correspondence, radio messages, notes, instructions, and papers relating to the Nino Nannetti Garibaldini Division. The collection also includes papers relating to Lingen's military training; Lingen's official and personal documents; photographs, chiefly from Allied Military Mission to Greece and Italy; maps of Palestine, Greece and Italy and testimonials and notes for Lingen's curriculum vitae.

Papers relating to his RAF career, [1914-1939], principally comprising log book covering his service in the UK and Middle East, 1929-1939; photographs of aircraft, notably flying boats, [1914-1939].

Photographs relating to his service in the UK, Middle East and Singapore, including photographs of civil and military aircraft, notably flying boats, 1928-1936.

Papers, 1851-1919, relating to the military career of Sir Archibald Alison, including: detailed sketch map of Lucknow Garrison, India, 1851; memoranda to Alison from Lt Gen Sir Colin Campbell, Commander of British expedition to suppress Indian Mutiny, concerning troop movements, India, and operations at Lucknow for the relief of Lucknow Garrison, India, 1857; correspondence relating to British military operations in India, 1858-1862; records of service and correspondence relating to Alison's appointments, 1858-1892, with correspondents including Sir Henry Thurston Holland, 1st Lord Knutsford, Secretary of State for the Colonies, George William Frederick Charles, 2nd Duke of Cambridge, Commander in Chief of the British Army, and Sir Henry Campbell-Bannerman, Secretary of State for War; press cuttings relating to Alison's career, 1863-1907, including article, 'The brains of the Army', The Word, 17 Nov 1880, detailing the work of the Intelligence Department under Alison; official correspondence, 1868-1892; lithograph map of the battle of Amoaful (Amoafo), Ghana, printed by the Topographical Department of the War Office, 1874; letter from Alison's cousin, Gen Sir Montagu Gilbert Gerard, with detailed account of the capture of Kabul, Afghanistan, 1880; official correspondence relating to the campaign in Egypt, 1882-1883, chiefly concerning appointments, the state of the troops, organisation, and the necessity of retaining a permanent force in Egypt; memoranda by Alison, 1885-1886, on subjects including the Government of India proposals for a permanent increase in British troops in India, demobilisation in Egypt, Colonel Sir Charles Wilson's failure to reach Khartoum in time to relieve General Charles Gordon, and the importance of mounted infantry; notes [1889], by Alison on his career, 1845-1881; correspondence and press cuttings relating to Alison's death and funeral, 1907; correspondence between the Alison family and Blackwoods publishers, 1914-1918, concerning a possible biography of Alison; article, 'The European Brigade under Brigadier General Sir Archibald Alison in the Ashanti War, 1873-1874' by Major General Sir Charles Walker Robinson, Alison's son-in-law, [1919].

Correspondence relating to leaving Burmah Oil Company and attempts to re-enlist in the Army and RAF, 1939-1940, and papers relating to promotions and appointments, 1940-1944. Papers relating to service in the Middle East and Sicily, 1942-1943, including 16 typescript reports, Staffs and Services Committee, Middle East, May-Jun 1942; typescript 'Report of Committee on Beach Organisation and Working', 13 Nov 1943; manuscript map entitled 'Sicily, ports, coast and main communications', scale 1: 500, 000 [1943]; typescript letter from Maj Gen Charles Harvey Miller, 15 Army Group, relating to operations in Sicily, 1943. Papers relating to service in India and Burma, 1943-1945, including typescript 'Summary of the economic developments in the Far East during the six months ending 30th June, 1944'; 41 captioned official photographs, Burma campaign, 1944, notably including the redeployment by air of 5 Indian Div from the Arakan to Imphal, Indian Army troops and units of 7 Indian Div, Arakan, 1944; typescript notes, 'Points on AFV (armoured fighting vehicles) situation in India' [1944]; typescript text of lecture by Abraham entitled 'Military economy' [1945]; printed volume entitled 'The India base', issued by the Commander-in-Chief's Secretariat, General Headquarters, India, Jan 1945. Papers relating to the oil industry, especially with regard to the Middle East and Burma, 1931-1961, including reports, printed articles, plans and tables of statistics and correspondence, also, typescript report entitled 'General impressions formed during a short visit to the Anglo-Persian Oil Company, December 1934'. Edition of Regimental Standing Orders of the Upper Burma Battalion, Auxiliary Force, (India) by Abraham (Mandalay Press, Mandalay, Burma, 1935). Typescript book manuscript entitled 'Time off for war. Recollections of a wartime Staff Officer' [1977], with copy of typescript letter from AF Rt Hon Louis (Francis Albert Victor Nicholas) Mountbatten, 1st Earl Mountbatten of Burma, relating to the memoir, Dec 1977. Papers and correspondence relating to the Burma Star Association, 1964-1979, including letters from Mountbatten, 1968-1979, and from FM Sir Claude John Eyre Auchinleck, 1964-1965, also typescript account entitled 'A short history of the Burma Star Association' [1978].