'A Modern Major General': the memoirs of Julian Gascoigne 1903-1990, including descriptions of training at Sandhurst and early military career with the Grenadier Guards, 1921-1927; life as ADC to Sir Stanley Jackson, Governor of Bengal, 1927-1928; companion to the sons of the Nizam of Hyderabad during their visit to London, 1931; various staff officer postings in and around London, 1939-1941; commander, 201 Guards Brigade, Egypt and Syria, including assisting General Oliver Leese in the Battle of Alamein and fighting with 8 Army in Tunis, North Africa; the invasion of Salerno, Italy, Sept 1943, and subsequent battles, including his serious lung injury at Monte Camino, subsequent hospitalisation in the UK and posting to Staff College, Camberley, 1944-1945; life as Deputy Commander of the British Army Staff at Washington, 1947-1949; work as General Officer in Command, London District, and Major General commanding the Household Brigade, including the funeral of King George VI and coronation of Queen Elizabeth the Second; experiences as Governor of Bermuda, 1959-1964.

Papers relating to his service in the Indian Army, dated [1941], 1942, [1944], 1947, 1962-1964, 1970, 1973, 1984, principally comprising photographs of convoys at Sarwekai on the route between Mangai and Wana, South Wazaristan, India, [1941]; operation instructions for 50 Parachute Bde exercise in Tughlakabad area, India, Mar 1942; 'Some notes on Gurkhas', typescript text by Stevenson-Hamilton, 1943; typescript account of the service of 4 Prince of Wales's Own Gurkha Rifles, India, 1943-1944, written by Stevenson-Hamilton in [1944]; typescript account of the service of 2 Bn, 4 Prince of Wales' Own Gurkha Rifles, Italy, 1944, written by [Stevenson-Hamilton] in [1944]; unsigned official notes on a tour of Arakan by 98 Indian Infantry Bde, Burma, 1944; 71 Indian Infantry Bde instructions for operations in Maungdaw, Burma, Apr 1944; typescript text on Gurkha operations in Wazaristan and the Punjab, India, 1947, and on the proposed transfer of Gurkha regiments to the British Army, 1947; notebook containing notes on misdemeanours and crimes committed by soldiers at Garlochhead Training Camp, Helensburgh, 1962-1964.