Papers of Maj Gen Ian Helstrip Baker, notably concerning armoured warfare, 1955-2003, including instructions, memoranda, reports and notes on training exercises including Exercise GAMEBIRD, Cyclops Sqn, 2 Royal Tank Regt, Libya, Jul 1964; Exercises OPEN GLOVE and TREBLE CHANCE, Cyclops Sqn, 2 Royal Tank Regt and 16 Parachute Bde Group, Sep 1964; Exercise DOUBLE STRETCH 72, 7 Armoured Bde, Germany, Feb-Mar 1972; Exercise RED RAT, 7 Armoured Bde, Germany, Sep-Oct 1972; MACLEOD, 7 Armoured Bde, Germany, Aug-Sep 1972; Exercise READY RAT, 7 Armoured Bde, Germany, 11 Sep 1972; Exercise LONG LOOK, for 7 Armoured Bde trials of ZB298 radar, Oct 1971-Apr 1972; organisational trial Exercise SQUARE RAT, Germany, 28 Dec 1972; Exercise FIRST STRETCH 73, 7 Armoured Bde, Germany, Feb 1973; Exercise DOUBLE STRETCH 73, 1 Armoured Bde, Germany, Mar-Apr 1973; Exercise HURST PARK 73, 7 Armoured Bde, Germany, Apr 1973; Exercise QUEEN'S PATROL, 7 Armoured Bde, Germany (relating to operations in Northern Ireland), May 1973; Exercise RED RAT 73, 7 Armoured Bde, Germany, Aug 1973; Exercise FOUR SQUARE, 7 Armoured Bde, Germany, Sep-Nov, 1973; photographs of [FV214 Conqueror battle tanks], Royal Armoured Corps, Bovington, Dorset and photograph of an amphibious jeep, partially submerged, 1960; photograph of Crown Prince Birendra of Nepal and others watching a Hornet Launcher vehicle being loaded with Malkara missiles by personnel of Cyclops Sqn, 2 Royal Tank Regt, Candahar Barracks, Tidworth, 15 Apr 1964; captioned photographs relating to Baker's visit to [1 Bn, Royal Green Jackets], Belfast, Northern Ireland, including: battalion personnel on patrol; Falls Road and Hamilton Street, Belfast, showing the aftermath of explosions; IRA weapons discovered, including rifles, knives, an RPG7 rocket launcher and RPG7 rockets, a car bomb and smaller incendiary devices, Aug 1972; photographs of Baker, Nov 1979 and in Brigadier's uniform; handing over briefing notes by Baker as Deputy Assistant Adjutant General, 17 Gurkha Div, Overseas Commonwealth Land Forces, 25 Jun 1962; training instructions for Cyclops Sqn, 2 Royal Tank Regt, Tidworth, Mar 1963-May 1964; briefing notes on the Parachute Sqn, Royal Armoured Corps, by Baker, 1964; Royal Armoured Corps training pamphlet, 'The technique of shooting from AFVs. Part 4: the application of fire from Saladin armoured cars' (MoD, Feb 1967); 1 Royal Tank Regt standing operational procedures, Jun 1969; briefing notes for Baker as Commander, 7 Armoured Bde, by Administration and Quartering staff, 7 Armoured Bde, 18 Jan 1972 and by Brigade Majors, 7 Armoured Bde, 7 Feb 1972; 7 Armoured Bde standing operating procedures relating to headquarters and operations (vol. 1), and administration and logistics (vol. 2), Feb 1972; training directives by Baker as Brigadier Commanding 7 Armoured Bde, Mar-Sep 1972; notes on the creation and history of the Desert Rat badge of 7 Armoured Bde, 1940-1972; training directive by Baker as Brigadier Commanding 7 Armoured Bde, Mar 1973; correspondence and accounts by Lt Col R A Pascoe, 1 Bn Royal Green Jackets, of the battalion's service in Belfast, 8-14 Oct 1972.

Papers of Vice Admiral Sir Ian McGeoch, 1946-1996, including papers from McGeoch's naval career including his time as commander of Royal Navy Base Portsmouth, 1955; as Naval Liaison Officer, RAF Coastal Command, 1955-1956 and as Flag Officer, Submarines and Northern Ireland and Scotland, 1965-1970.Research notes, essays and transcripts of talks by McGeoch on naval topics including research notes for The Princely Sailor: Mountbatten of Burma; editorials and articles by McGeoch for Naval Forces; correspondence including with Vice Admiral Sir Louis Le Bailly, 1993-1994; Sir John Hackett and Michael Howard, 1971; papers relating to the Royal United Services Institute for Defence Studies including correspondence regarding submissions and talks by McGeoch, newsletters, annual reports, articles by McGeoch, council minutes, charter, bye-laws and standing orders, 1950-1991 and printed books and journals on military history.Papers and correspondence on topics including party politics in McGeoch's local area, particularly the Conservative Party, 1971-1974; the British Atlantic Council, 1974-1994; national security, disarmament and arms control, 1974-1986; the security of North Sea oil rigs, 1975-1981; fisheries and pollution in the North Sea, 1976; the Baltic and Mediterranean protection of the marine environment; UK defence policy, 1981; the British Atlantic Committee, 1983-1984; the Atlantic Treaty Association Assembly, Toronto, 8-13 Oct 1984; House of Commons Defence Committee, 1986-1988; the future of the Royal Navy Engineering College, Manadon, and McGeoch's campaign to keep it open, 1993; McGeoch's letter to The Times and on whether Polaris submarines should have a Christian launching service and the education of Royal Navy officers, 1993-1994.

Papers of Barrie Pitt relating to military history, 1940-1991, including draft of book Special Boat Squadron by Pitt, annotated with corrections; draft of book Crucible of War: Western Desert 1941 by Pitt, annotated with corrections; transcripts of radio and television broadcasts on the First and Second World Wars including transcripts of the BBC 1 series 'Grand Strategy' on the Second World War, 1972; scripts and other papers relating to the BBC TV series, 'The Great War', 1964 and transcripts of 'European Service: General News Talk' 26 Jun 1964-20 Aug 1964; correspondence chiefly on the subject of historical research; photographs of Malta during the Second World War; copy photographs used by Pitt to illustrate his books and articles, chiefly photographs of the North African Campaign, to illustrate Pitt's book Crucible of War: Western Desert, 1941, also photographs of Adolf Hitler, Albrecht Kesselring; Sicily, 1943 and aerial warfare, Malta, 1940-1943; papers used for research including press cuttings, magazines and magazine cuttings, offprints of articles and correspondence notably on the subject of Europe 1900-1914 and the Middle East; papers relating to Basil Liddell Hart including photographs, draft articles by Liddell Hart, copies of Liddell Hart's correspondence and press cuttings; draft papers by Eric Dorman O'Gowen and related correspondence and copies of British History Illustrated.