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.

Certificates, notifications of appointments and typescript curriculum vitae relating toLindsay-Young's career, 1914-1944, with printed article by Capt John Stewart Noall Bernays entitled 'The Sudan troubles of 1924' from The Green Tiger, May 1933. Typescript account of Lindsay-Young's service in Ireland during the Anglo-Irish War, 1920-1922, entitled 'Under the shadow of darkness-Ireland 1920'. Typescript text of lecture by Lindsay-Young relating to hisservice as Commanding Officer, 1 Bn, Leicestershire Regt, Malaya, 1941-1942, with printed map of Malaya, 1938, annotated by Lindsay-Young with events in the Malayan campaign, 1941-1942. Typescript account by Lindsay-Young of his service with Headquarters, 4 Line of Communication Sub Area, British Liberation Army, from Lille, France, Sep 1944, to Berlin, Germany,Aug 1945. Papers relating to Lindsay-Young's service in Belgium, 1944, including typescript memorandum on the reporting of German atrocities, Sep 1944; typescript 'Brussels garrison refugee plan' outlining procedures to be adopted if German forces advance towards Brussels [Dec 1944]. Papers relating to the Potsdam Conference, Germany, codename TERMINAL, on thesurrender terms for Japan, and the boundaries and peace terms for Europe, Jul-Aug 1945, including manuscript and typescript notes for an article on the Potsdam Conference by Lindsay-Young [1945]; typescript 'Report on Operation TERMINAL, 12th June-15th August, 1945' by Brig Owen Murton Wales, commanding 4 Line of Communication Sub Area, with thirteenuncaptioned photographs relating to the Potsdam Conference, Germany, 1945. Papers, photographs and newspaper cuttings relating to Lindsay-Young's service in the Control Commission for Germany, Berlin and Flensburg, 1945-1948, including sixty five mostly uncaptioned photographs of Berlin and Potsdam, Germany, May-Jun 1945; typescript notes entitled 'Group commanders conference, Kiel',Jun 1947; letter to Lindsay-Young from AVM Hugh Vivian Champion de Crespigny, Regional Commissioner for Schleswig-Holstein, Germany, relating to a proposal to establish a Patent Office for Germany, Oct 1947. Papers and maps relating to the history of the Frisian Islands, Germany, 1936-1969, including printed map of Langeness Island, 1936; typescriptnotes on Groede-Appellard Island [1947].

Papers relating to his service in North West Europe, 1944-1945, dated [1945], comprising 'OperationOVERLORD plus', bound typescript account of his service with the Irish Guards in North West Europe, 1944-1945, written in [1945]; 'The occupation of German airfields in Schleswig Holstein area, May 1945', typescript account by Lindsay of RAF Regt operations in Schleswig Holstein, Germany, May 1945, written in [1945]; typescript account of operations carried out by 1 Commando Bde and 7 Armoured Div, Holland, Jan-Feb 1945, written by [Brig Derek Mills-Roberts in 1945].