Prentice's manuscript diaries, mainly detailing his services at General Headquarters, Middle East Command, Cairo, Egypt, including mention of Long Range Desert Group operations in the Western Desert, 1942; manuscript diaries and notebooks kept by Prentice and Wickstead, mainly relating to SOE operations in West Macedonia, Greece, 1943-1944; reports, mainly compiled by Allied Military Mission personnel, detailing demolition, intelligence and reconnaissance missions in West Macedonia, combined missions with Ethnikos Laikos Apeleftherotikos Stratos (ELAS) 9 Div, liaison operations with Raiding Support Regiment and US Operational Group 7 personnel, sabotage targets, and administrative and operational procedures, 1943-1944; papers, in Greek, mainly relating to ELAS partisan activities in West Macedonia, including a copy of the 'National Bands Agreement', memoranda to Allied Military Mission regarding struggles with Ellinikos Dimokratikos Ethnikos Stratos (EDES) factions, political proclamations and ELAS propaganda; papers, in Greek, relating to Greek partisan forces not under the jurisdiction of the Allied Military Mission, including memoranda, propaganda and military orders from the Ellinikos Ethnikis Stratos (EES) and Kommounistiko Komma Elladas (KKE) and official Greek government notices, 1943- 1944; maps and photographs of Allied Military Mission areas of operation, 1943- 1944; correspondence between Allied Military Mission commanders and sub-area commanders, 1943-1944, including correspondence between Greek partisan commanders and Prentice, 1944; personal letters from Allied personnel to Prentice, 1946-1955; correspondence between Wickstead, Officer Commanding Signals, Area 1, and Allied personnel, 1944; papers relating to wireless/telegraphy signals, Allied Military Mission, 1943-1944; papers, relating mainly to the administration and supply of the Allied Military Mission; German papers, including German 1 Mountain Div operational orders, propaganda, personal letters from German soldiers to family members and German-language newspapers; Greek political papers, notably including propaganda newspapers and party leaflets, including letters to Maj Gen Arthur Wilmot Wadeson Holworthy, 1941-1946; Wickstead's post-war index of Allied Military Mission signals, [1989]; papers relating to post-war publications about SOE operations in Greece, including the working papers for Lt Col Nicholas Geoffrey Lemprière Hammond's, The Allied Military Mission and the Resistance in West Macedonia (Institute for Balkan Studies, Thessaloniki, 1993); post-war Greek newspapers, leaflets and war memorial publications, 1945-[1991]. 3.3.4 Arrangement: Arranged in the following sections: diaries and notebooks of Maj Ronald R Prentice and Capt H Arthur Wickstead, 1942-1944; documents and papers relating to Allied Military Mission operations, West Macedonia, 1943-1944; papers relating to Greek partisan activities, 1943-1944; maps and photographs of Allied Military Mission areas of operations, 1943-1944; correspondence between Allied Military Mission commanders, 1943-1944 and former Greek partisans, 1946-1955; papers relating to wireless/telegraphy signals, Allied Military Mission, 1943-1944; papers relating to the administration, finances and logistics of the Allied Military Mission, 1943-1944; German papers, documents and newspapers during the occupation of Greece, 1943-1944; Greek political papers, documents and newspapers, 1941-1946; Wickstead's post-war partial index of signals, Allied Military Mission, West Macedonia, [1989]; papers relating to post-war publications about the resistance movement in West Macedonia, [1989-1991]; post- war Greek newspapers, leaflets and war memorial publications, 1945-[1991].

Papers relating to his RAF career, 1942-[1953], principally comprising correspondence relating to the development of a submersible target at RAF St Eval, Cornwall, 1942, dated 1948; manuscript notes on the problems of establishing Coastal Command Station, Nassau, Bahamas, as a training centre for Coastal Liberator crews, 1942; official report on the RAF occupation of Schleswig-Holstein, Germany, 5-11 May 1945; printed reports on the progress of air disarmament in Germany in 1944-1946, produced by British Air Forces of Occupation, 1945-1947; correspondence relating to his work as Director of Air Branch, Control Commission, Berlin, 1947-1949, and to the planning of the Berlin Airlift, 1948-1949; official report on organisation and structure of Berlin Airlift administration; RAF training course notes and papers, 1950; papers relating to his service as Assistant Chief of Staff, Allied Air Forces Central Europe, [1951-1953], notably including photographs of Waite, [1951-1953]; published RAF manuals, 1948, 1950.

Typescript lecture notes on the training of officers, School of Military Engineering, Chatham, Kent [1940]; typescript memorandum by Young entitled 'Notes on Engineer intelligence', 1943; typescript notes by Young on the effects of bombing on port facilities in North Africa, 1943; typescript article by Young entitled 'The development of land mine warfare', 1944; typescript notes by Young entitled 'In Macedonia, 1916-1917', written in 1946, with a manuscript letter from Lt Col Anthony Heritage Farrar-Hockley, Commanding Officer 3 Bn, The Parachute Regt, thanking Young for the use of the notes, 1962; typescript volume entitled 'The Brigade Headquarter's Story. The story of the 130th Brigade HQ (43rd Wessex Division) 1939-1946', edited by S G M Liddle, with four photographs and typescript list of former 130 Bde officers, 1951; correspondence relating to Young's appointment as Hon Col, 121 Army Engineer Regt, Royal Engineers, Territorial Army, 1952-1959; edition of Salonika memories 1915-1919 by G E Willis (Salonika Reunion Association, Newbury Weekly News, Newbury, 1969); edition of Ten Chapters 1942 to 1945 by FM Sir Bernard Law Montgomery (Hutchinson, London, 1946); articles from The Royal Engineers Journal, 1932-1934, including article by Young entitled 'The diary of an RE subaltern with the BEF in 1914'.