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 relating to his life and career, 1915-1991, dated 1963, 1969 and [1991], principally comprising 'Nine lives, a soldier's story', a typescript memoir covering the period 1915-1991, including his service in North Africa and the Western Desert, 1939-1942 and 1943, the Middle East, 1942-1943 and 1954-1956, Normandy, 1944, and France, Belgium and Germany, 1945-1947, and hiswork as Director General of Fighting Vehicles, 1964-1966, and General Officer Commanding, Malta and Libya, 1967-1968, written in [1991].

Papers relating to Roberts' life and career, 1940-1992, including twenty four detailed letters home to his father, Col William Bradley Roberts, from North Africa and North West Europe, 1940-1944; papers relating to operations in North Africa, 1941-1943, including memoranda, typescript intelligence summaries and typescript and manuscript notes, notably on operations of 22 Guards Bde and 7 Armoured Div, North Africa, Jun 1941; brief notes and correspondence on tank deployment, tactics and specifications, 1943-1944, including typescript copy of letter from Gen Sir Bernard Law Montgomery to Lt Gen Sir Ronald Weeks, Deputy Chief of the Imperial General Staff, on tank specifications, Apr 1944; correspondence, accounts and notes relating to 11 Armoured Div operations in North West Europe, 1944-1945, notably planning notes and reports on Operation GOODWOOD, the 2 Army offensive south east of Caen, France, Jul 1944; typescript and manuscript accounts by personnel of 11 Armoured Div, dated 1982-1993, relating to operations in North West Europe, 1944-1945; correspondence, 1948-1992, including letters from Lt Gen Sir Henry Royds Pownall, Sep 1948, Lt Gen Sir Giffard Le Quesne Martel, 1951, Maj Gen Raymond Briggs, Feb 1951, Maj Gen Sir Percy Cleghorn Stanley Hobart, Sep 1952, and Maj Gen Ronald Frederick King 'David' Belchem, Nov 1978; correspondence between Roberts and the Daily Mail relating to articles written by Roberts on the possibility of a future war with the USSR, 1950-1951; press cuttings relating to service in World War Two, 1939-1945; correspondence between Roberts and The Guardian, Aug-Nov 1969, concerning the liberation of Antwerp, Belgium, 1944; newspaper cuttings, dated 1942-1967, relating to Roberts' service in World War Two, 1939-1945; one group photograph including Roberts [1945]; audiotape of BBC radio broadcast by Roberts, 1944, and after dinner speech, 1990.

Typescript and manuscript notes, calculations and sketches made by Sainty during the designing of sand eliminators for tanks and the filtration of atmospheric air, which was extensively used in tanks for the war in North Africa, 1943-1945; leaflets and pamphlets relating to the work of Carrier Engineering Co Ltd in designing and installing filters for gas protection prior to and during World War Two, including a summary by Lt Col John Arthur Edward Heard.