Unpublished typescript memoirs, 1893-1969, including: accounts of life in the British colony in St Petersburg before World War One; work in the British Military Mission at the Russian War Office; events witnessed during the Russian Revolution and conditions for the Russian Army during the Revolution, 1917-1918; evacuation of British personnel from Russia, February 1918; negotiating with Finnish Red and White commanders while travelling through Finland during the Civil War; liaising with Admiral Aleksandr Vasiliyevich Kolchak and the White armies in Harbin, China, 1918; liaising with General Mikhail Konstantinovich Dieterichs, Czechoslovak Legions, and a special mission to Ataman Grigory Mikhaylovich Semyonov (or Semenov) in Chita, Transbaikalia, November 1918; activities as General Sir Harry Knox's liaison officer at the White Army Headquarters in Omsk, November 1918 - November 1919; the retreat from Omsk to Vladivostock following the success of the Bolshevik army, November 1919 - March 1920; stationing in Gibraltar and Egypt, 1921-1922; life and work in Simla, Waziristan and Kamptee, India, 1922-1928; work as an intelligence officer, Meshed, Persia (Iran), 1928-1931; life and work in Bombay, Ajmer, Jhansi, Alwar and Delhi, India, 1932-1935, including description of rioting under the Maharajah of Alwar; experiences working in India, China and Egypt during World War Two, including visit to Palestine; account of working in the post-war timber trade and as a consultant in the Russian Section of the London Chamber of Commerce. Also article 'Anglo-Russian Timber Trade: Personal Reminiscences and Reflections of Col L Steveni', The Timber Trades Journal , 11 March 1961, and article by Richard J Aldrich, University of Nottingham, from Modern Asian Studies 32, 1 (1998), pp. 179-217, entitled "Britain's Secret Intelligence Service in Asia during the Second World War" including analysis of Steveni's role as Director of British Secret Intelligence Service (SIS) in Asia.

Papers and photographs, 1888-1924, 1972, mostly manuscript letters by Simpson-Baikie to his wife, Marion Evelyn Simpson-Baikie, Lady Simpson-Baikie, 1906-1919, including letters whilst on active service on the Western Front, Gallipoli, Salonika and Palestine, 1914-1918; four manuscript letters from Simpson-Baikie to his mother-in-law, Emilita Miller, 1904-1918, and three manuscript letters from Simpson-Baikie to his daughter, Jean Simpson-Baikie, 1917-1918. Also, manuscript letter from Gen Sir Ian Standish Monteith Hamilton to Jean Miller Hamilton, Lady Hamilton, asking her to inform Marion Evelyn Simpson-Baikie that Simpson-Baikie has been chosen to serve at Gallipoli, 1915; manuscript letter to Simpson-Baikie from Gen Sir Horace Lockwood Smith-Dorrien, Governor of Gibraltar, on adverse comments about Smith-Dorrien in 1914 (Spiers, London, 1919) by FM John Denton Pinkstone French, 1st Viscount of Ypres, 1920. Eleven photographs and two negatives relating to Simpson-Baikie's career, 1888-1920, including three photographs of Simpson-Baikie, 1888, [1904]; Lt Gen Horatio Herbert Kitchener, 1st Baron Kitchener of Khartoum, General Officer Commanding in Chief, South Africa, with his Aide de Camp, Lt Francis Aylmer Maxwell [1901]; Maj Gen Hubert Ion Wetherall Hamilton, Maj Gen General Staff, Mediterranean Command, 1911; Gen Sir Ian Standish Monteith Hamilton at Charing Cross station, London, on his departure for Gallipoli, 13 Mar 1915; aerial photograph of the French camp at Sedd el Bahr, Gallipoli, Turkey, 1915. Typescript letter to Jean Morley Kennerley (née Simpson-Baikie) from Professor Robert Clifford Walton concerning Smith-Dorrien, 1972.

Photocopy of 'From carriage to Concorde', typescript memoir covering his life and career, 1917-1981, notably his military service in Gibraltar and India, 1930-[1932], in the UK, 1940-1943, and in India, 1943-1945, including an account of the explosion of the US ammunition ship FORT STIKINE, Bombay, Apr 1944, his work for the Abbey Road Building Society, [1932-1934], asa salesman, 1936-1940, and in the brewing industry, 1945-1960, written in 1981.

Personal and military papers of Major General Sir Robert Edward Laycock, 1923-1968, chiefly relating to service with Special Service Brigade and as Chief of Combined Operations, 1940-1946. Includes papers on volunteering for Special Service Brigade, including completed application forms for volunteer Commando officers, 1940. Papers on Special Service Brigade training 1940-1941, including gas, bayonet and signalling training. Memoranda, reports, instructions and other papers, 1940-1942, relating to LAYFORCE (commanded by Laycock in the Middle East), including papers on the Folbot Section (later to become Special Boat Service). Papers on Special Service Brigade, [1941-1946], including memoranda, reports, minutes, papers on their reorganisation, disbandment and the future of Combined Operations, also including papers belonging to Lord George Jellicoe relating to Special Service Brigade in the Middle East; reports and other papers on Special Service Brigade operations, notably Operation TORCH, (the invasion of North West Africa, Nov 1942) and Operation HUSKY, (the invasion of Sicily, Jun 1943). Laycock's official and personal correspondence,1923-1968, chiefly relating to Special Service Brigade. Lectures and speeches to and on Special Service Brigade, chiefly by Laycock. Draft publications, scripts and press cuttings relating to Laycock and Special Service Brigade. Memoirs and accounts of Commando action, including parts of Robert Edward Laycock's memoirs and memoirs of members of 'G' Troop, 7 Commando. Papers on Laycock standing as Conservative parliamentary candidate for Bassetlaw in the 1945 general collection and on his refusal to stand for the 1947 bye-election. Papers relating to Laycock's time as Governor and Commander-in-Chief of Malta. Poems by Laycock.

The peace divided', an account of his life and career, 1905-1948, notably his service in India with the Queen's Royal Regt, in Africa with King's African Rifles, and in UK, 1938-1940, 1941-1944, Gibraltar, 1940-1941, South East Asia, 1945, East Africa, 1946-1947 and Berlin, 1948, compiled in 1970 by Ben Lockwood, Hart Dyke's stepson, from notes left by Hart Dyke and printed in1995. 'Normandy to Arnhem, a story of the infantry', an account of his service with 4 Bn, (Hallamshire Bn), York and Lancaster Regt in the UK, 1943-1944, and North West Europe, 1944-1945, written using regimental war diaries in 1946 and originally printed in 1966, reprinted by 4 Bn, Yorkshire Volunteers in 1991.

Copies of papers and photographs relating to Chamberlain's life and career, 1906-1970, including unpublished manuscript memoirs, 1906-1923; papers relating to pay and postings, 1915-1949; account of service with Royal Flying Corps, 1916-1917; typescript report on visit to Palestine, 1920; papers relating to service as Education Officer, London District, 1924-1928, including typescript official report by Chamberlain to Maj Gen Walter Patrick Hore- Ruthven, 2nd Baron Ruthven, General Officer Commanding London District on visit to the Army of the Irish Free State, 1926; papers relating to service as Education Officer, Headquarters Presidency and Assam District, India, 1934-1938, including letters from Maj Gen John Standish Surtees Prendergast Vereker, 6th Viscount Gort, 1934-1937, Maj Gen George Mackintosh Lindsay, 1938 and Brig Eric Edward Dorman Smith, 1938, and typescript account of tour of Tibet, 1937; uncaptioned photographs of tour of Tibet, 1937; article by Chamberlain from The Journal of the Army Educational Corps, on the Tibet tour, 1938, also two articles from The Journal of the Royal Army Educational Corps, on a visit by HM Queen Elizabeth II in Jul 1950 to the Army College, Wellbeck Abbey, Nottinghamshire (1951), and on the Command Education Officers' Conference, 1951, including printed photograph of all officers, including Chamberlain, still serving with the Royal Army Educational Corps who were commissioned into the Army Education Corps on its formation in 1920, with texts of speeches, 1953 and 1955; correspondence including letters from Gort thanking Chamberlain for sympathy on the death of his son, Lt Hon Charles Standish Prendergast Vereker, Grenadier Guards, and on the Governorship of Gibraltar, 1941, and letters from Gen Sir Richard Nelson Gale and Gen Sir James Stuart Steele, congratulating Chamberlain on the award of the CBE, 1956-1957; reports and memoranda relating to service as Chief Education Officer, British North Africa Force, 1943-1945 and Middle East Land Forces, 1947-1948; press cuttings, 1953-1958 and obituaries, 1970-1971.