Published booklets from the General Staff, War Office, including two booklets entitled The German Army in Pictures and More Pictures of the German Army, detailing German Army weaponry, uniforms, and insignia, 1941; five guides to the Germany Army detailing the tactics and organisation of armoured divisions, infantry divisions, airborne troops, engineers, and reconnaissance units, 1941; A Guide to the Identification of German Units, detailing badges of rank and service German officers for the purpose of interrogation, 1942; five pamphlets relating to German infantry weapons, Italian infantry weapons, German light anti- aircraft and anti-tank guns, German infantry, heavy anti-aircraft, and divisional artillery; German infantry engineer and airborne weapons, 1941-1943; Periodical Notes on the German Army relating to tactics of the German tank regiment and tank battalion, German Army tactics in Libya, 1941, operations of German 11 Air Corps during the attack on Crete, May 1941, German artillery operations in armoured divisions, and the tactical handling of German armoured divisions, lorried infantry and motorcycle units, 1942; New Notes on the German Army, relating to the evolution of German armoured and motorised divisions, and German supply and administrative services, 1942-1943; two pamphlets relating to the German Army order of battle, 1942-1943; booklet designed to aid British personnel in the recognition of British and Allied Armoured Fighting Vehicles (AFVs), 1942; booklet of vocabulary of German military terms, 1943.

Copies of two reports on actions of 9 Armoured Bde Group during the second Battle of El Alamein, Egypt, Oct-Nov 1942.

Detailed memoir, 'I'd live it again', covering his life and military career, 1898-1945, notably his service in France, 1918, Egypt, 1919-1921 and 1939-1941 and East Africa, 1941-1942, written in 1947 and privately published in pamphlet form.

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.