Collection includes manuscript memorandum by Amlot to 6 Sqn RAF Headquarters relating to the suppression of terrorist activities in Palestine, 15 Sep 1938; and press cuttings relating to the Royal Pakistan Air Force, 1948-1950, including mention of Pakistan's procurement of Dakota aircraft, Nov 1949; Amlot's inauguration of the first University Air Sqn at Dacca, East Pakistan, Nov 1949; articles written by Amlot relating to Royal Pakistan Air Force training, strategy, and force strengths, Aug-Sep 1950.

Letters to his wife, Elizabeth Montgomery Carr, 1914-1940, including service on the Western Front during World War One, 1915-1918, in India, 1920-1926, and with 2 Infantry Bde, in Palestine, including details of Arab and Jewish unrest and the policing of the area by the British Army, 1936-1937. Certificates recording mentions in despatches during World War One, 1915-1918 and Warrants of Appointment for DSO, 1917 and OBE, 1919.

Papers, 1880-1947, of Lt Aubrey Trevor Oswald Lees and his family, covering the whole span of Lees' career in the army and Colonial Service and touching on British administration in Iraq, Zanzibar and Palestine between the two World Wars. Papers, 1880-1932, of Lees' parents, Oswald and Ethel, include personal correspondence and an account by Ethel Lees of their journey to Palestine, 1921. Lees' correspondence with his parents and aunts, 1905-1941, includes commentary on problems facing the British in the government of their colonies and dependencies. Papers, 1917-1921, relating to Lees' early career include letters of congratulation on gaining a place at the Royal Military Academy, Woolwich, 1917, and correspondence with batmen and servants, 1920-1921. Papers, 1922-1926 and undated, relating to service in Iraq include a programme and script of a play performed on SS MASSILLIA sailing from Liverpool to Bombay, 1922; transcript of proceedings of the trial of Lees for assaulting and insulting a police officer of the Iraq railways at Khanniquin, 1923; account of Lees' journey through the Shamiyah country of Iraq and his encounters with Bedouin tribes, 1924; correspondence relating to Lees' dismissal as a Special Service Officer (Intelligence) with the RAF in Iraq, and appointment to the Colonial Service in Zanzibar, 1925-1926; undated transcript of the preface to Richard Burton's translation of the 'Book of a Thousand Nights and a Night', criticizing ignorance of the Arabic language and of Moslem customs by the British Colonial service; undated notes on the Nuharram (10 days penance observed by Shia Moslems). Papers, 1927-1929 and undated, on service in Zanzibar and the Colonial Office, London, include letters from Lees describing his journey home, apparently from Zanzibar, by dhow via Aden and Mokalla, 1928; undated notes on the establishment of a British Protectorate over Zanzibar; and correspondence relating to Lees' transfer to the post of Administrative Officer, Palestine, 1928-1929. Papers, 1929-1943, on Lees' service in Palestine and retirement from the Colonial Service include papers relating to land settlement, 1934-1935, to Lees' actions as Assistant District Commissioner, Southern District, Gaza, during Arab-Jewish disturbances, 1936, and to Lees' suspension from duties in Palestine for criticizing the Palestinian Government's attitude towards alleged Jewish atrocities and his enforced retirement from the Colonial Service, 1938-1940; and letters to Lees, 1939, informing him of events in Palestine. Other papers, 1921-1947 and undated, include personal correspondence. Photographs relate to his service in Iraq, 1922-1925, in Zanzibar, 1926-1928, and in Palestine, 1929-1938.

Narrative diaries, nine manuscript volumes, as Maj commanding motorised cavalry sqn, 4/7 Dragoon Guards, Palestine, 1938-1939, with typescript nominal roll of officers, non-commissioned officers and men who served with 4/7 Royal Dragoon Guards Sqn in Palestine, 1938-1939. Also, two albums of related captioned photographs and one map of Syria and Palestine, scale 1: 1,140, 000 [1935].

The collection covers Pyman's career from 1937 until 1963 when he suffered a severe stroke which forced his retirement in 1964. The earliest papers date from Pyman's work with the Royal Tank Cadre in converting the 17/21 Lancers from a cavalry to an armoured regiment. There are also papers from Pyman's period as an instructor at the Staff College in Quetta, India, 1939-1941. Pyman was involved in the World War Two campaigns by the 8 Army in the Western Desert, in 1941 as General Staff Officer with 7 Armoured Div, 30 Corps and in 1942-1943 as Commander of the 3 Royal Tank Regiment, 10 Armoured Div, 30 Corps. The papers consist mostly of Pyman's assessments of lessons learned from the ongoing campaigns particularly with regard to tanks and armoured units. In 1944-1945 Pyman was Brigidier General Staff, 30 Corps, 2 Army in the Normandy landings and the invasion of Northern Europe, with particular responsibility for organisation and planning of the Rhine crossing and advance to the Baltic. This is reflected in the papers which largely consist of planning studies and reports for the operations involved, this section also contains maps used in the campaign. Pyman's next appointment was as Chief of General Staff, Allied Land Forces, South East Asia, 1945-1946 which is documented by a series of diaries which reflect the tasks faced by Pyman in this command including dealing with the build up of tension between newly liberated former colonies keen to assert their right for independence and the former colonial powers such as France and Netherlands. Pyman spent 1946-1949 as Chief of Staff, Middle East Land Forces and kept monthly diaries which form the bulk of this section of the collection. The diary entries and additional papers reflect the debate over policy in the Middle East in the British Government and Military command, they include detail on the British withdrawal from Greece, the problem of illegal Jewish immigrants and their internment in Cyprus, the end of the British mandate in Palestine and the the effect of this on relations between Britain with Egypt and the other Arab states and the subsequent Arab Israeli conflict. This section of the collection also contains correspondence between Pyman and Maj Gen Sir Miles Christopher Dempsey on personal matters and on the Middle East. There are also papers from Pyman's work at the Ministry of Supply as Director General of Fighting Vehicles, 1951-1953, Director of Weapons Development, War Office, 1955-1956 mostly brief diary entries and lecture texts. Pyman was also General Officer Commanding, British Army on the Rhine, 1953-1955 and General Officer Commanding, 1 British Corps, 1956-1958 and the papers relating to these commands consist mostly of lectures, reports and directives reflecting his interest in armoured divisions and training. There are some papers, mostly personal correspondence and press cuttings, from Pyman's final command as Commander-in-Chief Allied Forces Northern Europe in North Atlantic Treaty Organisation (NATO). The collection also contains correspondence relating to Pyman's role as Colonel Commandant of the Royal Tank Regiment and The Royal Armoured Corps and a series of letters covering the reorganisation of the Berks and Westminster Dragoons, of which he was Honorary Colonel. The rest of the collection consists of diaries, correspondence, speeches, writings including the draft copy and papers relating to his autobiography, some preparatory work on a history of the 2 Army and reference works. The collection also includes the Boer War diaries and other papers of Col James Redmond Patrick Gordon who commanded the 1 Cavalry Bde of the South African Field Force 1900-1901 which were given to Pyman by a friend.

Minutes of Meetings of the National Security Council, with Special Advisory Reports are microfilmed copies of meeting minutes and Special Advisory Reports undertaken by the US National Security Council, 1947-1960. Material in the collection relates to US strategic nuclear forces capabilities, 1947-60; US policy with respect to Japan, the Soviet Union, China, 1948-49; military assistance to non-communist nations, 1948-49; US policy on atomic warfare, 1948; the Berlin Blockade; the United Nations decision to introduce military forces to Palestine, 1948; US policy towards Soviet satellite states in Eastern Europe, 1949; US courses of action with respect to the Republic of Korea, 1950-1953; responsibilities of the Central Intelligence Agency with respect to guerrilla warfare, 1952; US policy and courses of action to counter possible Soviet or satellite action against Berlin, 1952; US objectives and actions to exploit the unrest in the Soviet satellite states, 1953; US courses of action with respect to Latin America, Iran and South Asia, 1953-85; covert operations, 1954-75; nuclear attack warning channel and procedures for civilians, 1955-65; the political implications of Afro-Asian military take-overs, 1959; and US policy towards Cuba, 1959-60. Special Advisory Reports concern Europe, the Soviet Union and its satellites, Latin America, Japan, The Middle East, the People's Republic of China, South East Asia, Angola, North Africa, 1947-1960.

Notes on tactical lessons of the Palestine Rebellion, 1936' (Security B272), compiled from extracts from General Officer Commanding 5 Div's report on operations in Palestine in 1936, issued by the War Office, 1937, with covering letter to the Centre, 1990.