Two reports on ordnance engineering services in Malaya during the period 1941-1942, written by Ashton following the destruction of all records at Malaya Command in 1942, [1946]; papers relating to the above reports, principally comprising Ashton's report to Air Cdre Modin on RAF Senior Training Corps mechanics attached to the Royal Army Ordnance Corps, Malaya, [1942-1943], an account of ordnance engineering services in Malaya during 1941-1942 by the Assistant Director of Ordnance Services (Engineering), 3 Indian Corps, [1942-1946], reports on ordnance services in Malaya during the period 1941-1942, written for Ashton by Capt E J Coulthard, H J Howland and Lt G A Neale, [1946].

Papers relating to his military career, 1944-1952, dated [1944-1953], [1960-1980], comprising account of advance of 2 Bn, Essex Regt through Northern France and Belgium, June-Oct 1944, notably covering the attack on Le Havre, 10 Sep 1944, written in [1945], with appendix dated [1960-1980]; account of withdrawal of 2 Infantry Bde from Belgium and Northern France, May 1940,culminating in their evacuation from Dunkirk on 1 Jun 1940, written in [1944-1945]; notes on the allotment and loading of vehicles, Operation OVERLORD, June 1944; map of German defences at Le Havre, issued by [the War Office], 1944; map showing position of 51 and 49 Div to the north of Le Havre, 7 Jun 1944, issued by the War Office, 1947; two accounts of the work of 1 Bn, The Queen's Own Royal West Kent Regt, in Malaya, 1952, written in [1953].

Papers relating to his military career, dated 1946-[1984], notably including typescript account of service of No 1 Independent Infantry Company, Malaya, 1941-1942, dated [1946-1984]; typescript account of experiences of 5 Bn, 14 Punjab Regt in Japanese POW camps, 1942-1945, including details of their work on the Burma Railway, written in [1946-1984]; typescript memoir of Fearon's military career, 1929-1947, written by his wife Diana Fearon in [1984].