Papers relating to aviation and transport, dated 1910-1928, principally comprising papers relating to Joint War Air Committee (Inter-Departmental Committee on the Air Service) chaired by Edward George Villiers Stanley, 17th Earl of Derby, 1916, Committee on the Administration and Command of the Royal Flying Corps, 1916, and Air Boards chaired by Weetman Dickinson Pearson, 1st Viscount Cowdray, 1917, and George Nathaniel Curzon, 1st Earl Curzon of Kedleston, [1916]; correspondence, 1915-1916, 1920, notably including correspondence with Herbert Henry Asquith, 1916, Curzon, 1916, Derby, 1916, the Imperial Defence Committee, 1916, the Parliamentary Aviation Committee, and George Sydenham Clarke, 1st Baron Sydenham of Combe, 1916; printed books, pamphlets, memoranda, notes and texts by Douglas-Scott-Montagu and others, 1910-1920, mainly relating to aviation technology, anti-aircraft defence and the organisation of the air services; memoranda, official reports, notes and texts relating to his work as Adviser on Mechanical Transport Services to the Government of India, 1915-1919; manuscript account of service of No 1 Armoured Motor Unit, North West Frontier, India, 1915-1916, by Capt A J Clifton, 68 Durham Light Infantry, 1915-1916, dated 1917, including photographs and preface by Montagu. Other papers relating to his life and career, 1914-1926, dated 1914-[1926], 1948, principally comprising letters relating to his service with 7 Hampshire Regt in Egypt, 1914, and India, 1915; photographs and photographic negatives, 1915-1922, mainly relating to his service in India, 1915-1919. Typescript draft of A strange war. Burma, India and Afghanistan, 1914-1919 (Sutton, Gloucester, 1988), an account of 2/5 Bn, Somerset Light Infantry and 2 Mechanical Transport Company by Chris P Mills, based on the recollections of Col B G L Rendall, the diary of Edward William Ewens and research into the Montagu papers, dated 1987.

Papers, 1919-1947, of Lt Col Geoffrey Wells Meates, comprising his diaries, 1919, 1921-1939, 1943-1947, containing detailed narrative entries daily, and correspondence with his parents, 1921-1935, 1939-1945. Meates' diaries and letters record his activities, experiences, surroundings and travels, including his service with the Royal Artillery in Rangoon, Burma, and Calcutta, India, in the 1920s, and with Anti-Aircraft Artillery units in France (British Expeditionary Force, 1939-1940), Malta (1940-1944) and England (1944-1945) during World War Two.

Typescript 'Report on events leading to evacuation from Calais', with manuscript preparatory notes, May 1940; five printed maps and plans showing the extent of No 73 Wing Area, the distribution of anti-aircraft guns, and aircraft losses during the Battle of Britain, 1940; personal RAF documents, 1940-1945, including 'Service and Release book'; typescript unit history, by Scott-Taggart, entitled '73 Wing in action. Being a record of the work and operations of No 73 (S) Wing of No 60 Group, RAF, with special reference to the eight months ending 31st July, 1944'; correspondence relating to RAF service and radar equipment, 1940-1950; edition of Customs of the services (Gale and Polden, Aldershot, 1940) by 'AHS', Comrades in arms. Three talks to junior officers or officer cadets to assist them in the handling of their men (HMSO, London, 1942) and magazine entitled International broadcast engineer, containing article by Scott-Taggart on his career, Jul 1968. Also, manuscript document of commission, Corps of Royal Engineers, 1917, and two Mention in Despatches certificates, 1940 and 1945; letter, confirming the recommendation of the MC to Scott-Taggart, from Maj A G Richardson, Officer Commanding 55 Div Signal Company, Royal Engineers, 1919.