Papers and photographs relating to Caunter's career, 1908-[1960], including one photograph album, containing 90 photographs, newspaper cuttings and invitations, 1908-1933, notably photographs of Crefeld POW camp, Germany, 1916, Caunter's return to UK following his escape from Schwarmstedt POW camp, Germany, 1917, group photographs of officers, Staff College, Camberley, Surrey, 1922-1923 and Senior Officers Course, Hythe, Kent, 1927, with thirty five loose photographs, 1909-1941, including Salonika, 1918, Iraq, 1920-1921, Egypt, 1936, and Western Desert, Libya, 1941. Papers relating to the First Libyan Campaign, Western Desert, 1940-1941, and Caunter's command of 4 Armoured Bde in the capture of Fort Capuzzo, Battle of Beda Fomm, Libya, Feb 1941, including typescript memorandum by Caunter entitled 'Notes on the disposal of prisoners captured by AFV (Armoured Fighting Vehicle) units', 1 Oct 1940; two typescript 7 Armoured Div intelligence summaries, Dec 1940; typescript memorandum by Caunter entitled 'Some lessons from the campaign', [1941]; typescript account entitled 'The story of the 4th Armoured Brigade in the First Libyan campaign', Western Desert, 1940-1941; two letters from Capt Basil Henry Liddell Hart, dated Jan 1947 and Dec 1951, relating to Caunter's deployment of armoured forces in the Battle of Beda Fomm, Western Desert, Feb 1941. Memoranda and reports relating to Caunter's service as Brig General Staff and Deputy Director of Staff Duties, Armoured Troops, General Headquarters, India, 1941-1943, including typescript memorandum by Caunter, 'Defence of the North West Frontier of India and appreciation' [1942]; typescript report by Lt Col Rothwell H Brown, US Army, 'Report of conditions noted in armoured units and ordnance establishments by the US Army Tank Training Detachment', 10 Nov 1942; edition of Tanks and tank folk by Eric Kennington (Country Life, London, 1943).

Papers relating to Riley's service in World War Two, 1939-1945, with a recent biography, 1989, mostly concerning the training of Commando forces, 1940-1943, including letter from acting Col Colin McVean Gubbins, War Office, dated 8 Jul 1940, thanking Riley for his work in Norway, 1940; correspondence, memoranda, directives and reports relating to the training of Independent Companies in seamanship for raiding purposes, UK, Aug-Oct 1940; correspondence, 1940-1945, including letter, dated Feb 1941, from Capt Kermit Roosevelt, son of former US President Theodore Roosevelt, serving with The Duke of Cambridge's Own (Middlesex Regt), relating to his service in the Western Desert, 1940. Papers relating to the Winter Warfare School, Iceland, 1941-1942, including typescript training notes and exercise memoranda, 1941-1942; typescript text of lecture by Riley entitled 'Arctic warfare', given at the Royal Institute of International Affairs, Chatham House, London, 13 Oct 1942. Papers relating to Commando training and Combined Operations Command, 1942-1943, including typescript memorandum entitled 'Outline of rations and equipment required for GUNHOUSE' (Operation GUNHOUSE, a small scale Commando raid on Banak airfield, northern Norway, Feb 1943); typescript 'Administrative instructions for special ration trials', relating to the testing of Arctic warfare ration packs, May 1943; typescript memorandum entitled 'The possibilities of wireless communication in small scale raiding' [1943]. Papers relating to 30 RN Commando and 30 Assault Unit, 1943-1945, including typescript memorandum by Riley entitled '30 Assault Unit. Visit to forward areas, Intelligence organisations and GHQ (General Headquarters)', Assam, India, 29 Aug 1944; typescript memorandum entitled 'History of 30 A U (Assault Unit)' [1945]; letter to Riley from Len Whittaker asking for information on 30 RN Commando and 30 Assault Unit for a proposed book on British Special Forces of World War Two, Jul 1973. Edition of The bulldozer. The magazine of Combined Operations, Oct 1942; printed pamphlet by Public Relations Section, International Military Tribunal, entitled 'International Military Tribunal, Nurnberg, Germany, 1945-1946', with brief biographies of defendants and offences committed [1946]. J P Riley: From Pole to Pole: the life of Quintin Riley, 1905-1980 (Anthony Rowe Ltd, Chippenham, 1989, 2nd edition 1998), typescript of book, photographs and sketch maps used as illustrations in book, and obituaries of individuals mentioned in the volume.