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.

Papers relating to his military career, 1914-1945, dated 1914, 1917-1918, [1945]-1978, principally comprising typescript texts of lectures, [1965-1975], on his service with the Australian Military Forces, 1937-1939, the planning and execution of Allied invasion of North Africa, 1942, and his service with the SOE, North West Europe, 1943-1945; correspondence with Sir ArthurWynne Morgan Bryant, 1978, concerning Mockler-Ferryman's service with Maj Gen John Greer Dill, Commandant, Staff College, Camberley, 1933, and Gen Sir Alan Francis Brooke (later FM Alan Francis Brooke, 1st Viscount Alanbrooke of Brookeborough), Commander-in-Chief, Home Forces, 1940-1941.

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.