Retrospective accounts of early life and career, and extracts from official confidential reports on military service, 1899-1981; papers relating to military career, 1912-1938, including service in Malta with 2 Battalion, Scottish Rifles, 1912, diaries relating to service on Western Front and in Italy, World War One, 1915-1919, and papers relating to command of Peshawar Infantry and District, India, 1935-1938; correspondence while Commander of 7 Division and Military Governor of Jerusalem, Sep 1938-Aug 1939; papers including correspondence and accounts of First Libyan campaign, Western Desert, while Commander of 6 Division and Western Desert Force, 1940-1941; papers including escape narrative relating to period as Prisoner of War in Italy, 1941-1943; papers including correspondence relating to command of 8 Corps and operations in North West Europe, 1944; service as General Officer Commanding-in-Chief, Eastern Command and General Officer Commanding, North Western Army, India, 1945-1946; service as Adjutant General to the Forces, 1946-1947; appraisal of the careers of selected senior military personnel, 1971; official and military appointments and invitations, 1946-1973; personal correspondence and papers, 1928-1979; newspaper obituaries of senior military personnel and related correspondence, 1926-1981; book reviews and newspaper articles, 1945-1981; papers relating to the proposed Channel Tunnel, 1929-1930.

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.