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).

Retrospective accounts of early life and career, and extracts from official confidential reports on military service, 1899-1981; papers relating to military career, 1912-1938, including service in Malta with 2 Battalion, Scottish Rifles, 1912, diaries relating to service on Western Front and in Italy, World War One, 1915-1919, and papers relating to command of Peshawar Infantry and District, India, 1935-1938; correspondence while Commander of 7 Division and Military Governor of Jerusalem, Sep 1938-Aug 1939; papers including correspondence and accounts of First Libyan campaign, Western Desert, while Commander of 6 Division and Western Desert Force, 1940-1941; papers including escape narrative relating to period as Prisoner of War in Italy, 1941-1943; papers including correspondence relating to command of 8 Corps and operations in North West Europe, 1944; service as General Officer Commanding-in-Chief, Eastern Command and General Officer Commanding, North Western Army, India, 1945-1946; service as Adjutant General to the Forces, 1946-1947; appraisal of the careers of selected senior military personnel, 1971; official and military appointments and invitations, 1946-1973; personal correspondence and papers, 1928-1979; newspaper obituaries of senior military personnel and related correspondence, 1926-1981; book reviews and newspaper articles, 1945-1981; papers relating to the proposed Channel Tunnel, 1929-1930.