Papers, 1898-1900, 1916-1945, of Brig Gen Percy Robert Clifford Groves, mainly comprising material on the development of aviation policy and the evolution of the Royal Air Force in the interwar period, and also including material on the Royal Flying Corps in the Middle East during World War One. The papers include Groves' Boer war diary, 1900; photographs of operations of 'C' flight No 17 Squadron in the Sudan, undated [1916]; report on arrangements for No 17 Squadron Royal Flying Corps and the Aircraft Park allotted to the Salonika Army, 1916; lecture on the organisation and work of the Royal Flying Corps, 1917, and related papers; papers relating to the Air Section of the British Delegation of the Inter Allied Aeronautical Commission of Control (Commission Interalliée de Controle Aeronautique), 1919-1922; minutes of the Committee of Enquiry on the Air League of the British Empire, 1926-1927, and associated correspondence; papers relating to publications by Groves on aviation matters, 1927-[1938], including vols I and II of the periodical Air , 1927-1929, reviews and cuttings for Behind the smoke screen [1934] and Our future in the air [1935], and a further survey of air power, This Air Business [1938], which went unpublished owing to the outbreak of World War Two. Personal papers include Groves' commissions in the militia and land forces, 1898-1899; photographs relating to Groves' attendance at the Versailles peace conference (1919-1920); papers relating to promotion, 1919-1924; financial papers; press cuttings on public affairs to 1945.

Papers relating to his life and career, 1881-1936, including letters to his family, 1890-1922, notably covering his service in UK, 1890-1896, and South Africa, 1899-1902, including operations around Colesberg, Dec 1899-Jan 1900, relief of Kimberley, Feb 1900, Battle of Diamond Hill, Jun 1900, and operations in Transvaal and Orange Free State, 1900-1902, on Western Front, 1914-1917, including the first battle of Ypres, Oct-Nov 1914, Battle of Arras, Apr 1917, and in Palestine and Egypt, 1917-1922, including third Battle of Gaza, Oct-Nov 1917, capture of Jerusalem, Dec 1917, Battle of Megiddo, Sep 1918, and fall of Damascus, Oct 1918; correspondence relating to Allenby's role as High Commissioner for Egypt and the Sudan, 1919-1925, including telegrams exchanged by Allenby and the Rt Hon (Joseph) Austen Chamberlain, Secretary of State for Foreign Affairs, over Nevile Meyrick Henderson's appointment as Minister Plenipotentiary and Allenby's resignation as High Commissioner for Egypt and the Sudan, 1924-1925; manuscript, typescript and printed texts of speeches, lectures and articles, [1929-1936]; newspaper cuttings, 1899-1936, including obituaries of Allenby, 1936; photographs, 1881-1936. Papers collected by Gen Archibald Percival Wavell during the writing of Allenby: a study in greatness (Harrap and Co, London, 1940) and Allenby in Egypt (Harrap and Co, London, 1943) principally comprising correspondence and notes written by Allenby's army colleagues, 1936-1943; notes and letters from Gerald Delany concerning Allenby in Egypt, [1940-1943]; letter from Gen Sir Henry George Chauvel to Director of Australian War Memorial concerning Seven pillars of wisdom by Thomas Edward Lawrence (also known as Thomas Edward Shaw) (Jonathan Cape, London, 1935), 1936, and printed appreciation of Lawrence by Allenby, 1935.