Papers relating to his life and career, 1917-1963, principally comprising official correspondence with Lt Gen M Brocas Burrows, British Military Mission, Moscow, 1944-1945, Gen Mark Wayne Clark, US Army, 1943-1944, 1951-1952, Maj Gen Richard Henry Dewing, UK Army and RAF Liaison Staff, Australia, 1943-1944, Maj Gen Gordon Edward Grimsdale, Military Attaché andhead of Military Mission to Chungking, China, 1942-1943, AF Sir Roger John Brownlow Keyes, Bt, Director of Combined Operations, War Office, 1940-1942, Lt Gen Sir Henry Pownall, South East Asia Command HQ, 1944-1945, Lt Gen Sir Harold Redman, British Joint Staff Mission, Washington DC, 1943-1944, AF Sir James Somerville, Commander-in-Chief Eastern Fleet, 1943-1947, and Maj Gen Sir Edward Spears, Minister to the Lebanon, 1940-1944, and Lt Gen Albert C Wedemeyer, US Army, Deputy Chief of Staff; South East Asia Command, 1944; personal correspondence with and about FM Lord Alanbrooke, 1946-1947, 1957-1963, FM Sir Claude John Eyre Auchinleck, 1941-1961, and FM Archibald Percival Wavell, Viscount Wavell of Cyrenaica and of Winchester, 1943-1946; official andpersonal correspondence with Dwight David Eisenhower, 1942-1965, and AF Louis (Francis Albert Victor Nicholas) Mountbatten, 1st Earl Mountbatten of Burma, 1943-1954, 1960-1964; correspondence with publishers and colleagues, including Gen Sir Richard Nugent O'Connor; papers relating to India, 1947-1951, including his correspondence as Chief of Staff to Mountbatten, 1947, notes on interviews with Jawaharlal Nehru and Mahomed Ali Jinnah, 1947, letters describing the political situation in India, 1947-1948, and correspondence concerning compensation for Indian Government servants, 1948-1951; correspondence concerning the proposed defence reorganisation, 1955-1963; papers relating to his service as Secretary General, NATO (North Atlantic Treaty Organization), 1952-1957, including his official progress reports, 1952-1956; newspaper cuttings, statements to the press and texts of speeches and broadcasts, 1952-1957; papers relating to his memoirs, [1940-1960] including correspondence with publishers, 1960-1961, and colleagues, 1957-1960, notebooks, 1940-1960, and drafts and proofs, [1960]. newspaper cuttings, 1943, 1948, 1951-1952, 1957; texts of speeches, 1943-1958; correspondence relating to operations in Somaliland, 1917-1920; notes and papers relating to his studies at Staff College, Quetta and RAF Staff College, 1922-1924. Papers relating to Rt Hon Sir Winston (Leonard Spencer) Churchill, 1940-1965, including personal correspondence with Churchill, 1940, 1943-1945, 1947-1964; correspondence relating to Churchill's memoir The Second World War (Cassell, London, 1948-1954), 1946-1956, including correspondence relating to Dieppe Raid, Aug 1942, dated 1950, and galley proofs, [1948-1954]. Printed material, 1941-1945, 1947, 1951, notably including copies of telegrams sent by Winston Churchill as Prime Minister, 1941-1942; minutes of Chiefs of Staff meetings, 1943-1944; minutes of Combined Chiefs of Staff meetings, 1943, 1945.

Papers relating to his service with the Commandos, 1942-1945, dated [1942-1981]comprising:

papers on service with No.4 Commando, May-Dec 1942, principally on the Dieppe Raid, Aug 1942, including report by Mills-Roberts on training exercise on the Isle of Arran, 25-26 Jun 1942; reports on Orange Beach landing; report on destruction of 6 inch gun battery at Varangeville; detailed report 'Lessons Learned on Combined Operations'; and letters of congratulation on award of MC;

papers on service with No.6 Commando, Apr-May 1943, North Africa, including letters from General Dwight D Eisenhower and Maj-Gen Robert Laycock and letters of congratulation on award of DSO;

papers on service with 1st Special Service (Commando) Bde, Jun 1944 - May 1945 including: account of part taken by No 1 Special Service Brigade in Operation OVERLORD, 6 Jun - 26 Aug 1944; narrative by Mills Roberts on action from 16-21 Aug 1944; report of No 1 Special Service Bde operations around Dozule and L'Epine, 19-21 Aug 1944; report of operations by 1st Commando Bde east of the River Maas, 19 Jan - 1 Feb 1945; 'Five Rivers' - account of 1st Commando Bde in Germany, 1945, on the advance from the Meuse to the Baltic, crossing the Meuse, Rhine, Weser, Aller and Elbe; 'United We Stand' diary of L Cpl Cliff Morris, No 3 Troop, 6 Commando, detailed personal account of action from 6 Jun 1944 - 7 May 1945; papers relating to the arrest of FM Erhard Milch in 1945, dated 1946, 1969; maps of Ouistreham, St Aubin, Caen, Dozule;

papers on commando training, 1942-1950 including account of 6 Commando training by Mills-Roberts, 1943-1944;

manuscript of Clash by Night (William Kimber, London, 1956) and notes to Simon Christopher Joseph Fraser Lovat, 17th Lord Lovat, concerning Lovat's book March Past (Weidenfeld and Nicolson, London, 1978), dated 1977-1981;

photographs, 1942, 1944-1945, 1947, including German propaganda photographs of Dieppe Raid, 1942, and photographs relating to Commando service in World War Two, 1944-1945, dated 1944-1945, 1947, including Normandy, Jun 1944, and Germany, 1945.

Copies of detailed narrative diaries and transcripts of Naval signal messages on RN operations, 1939-1945, including service at RN Gunnery School, Chatham, Kent, 1939, on HMS JERVIS in the North Sea, 1940, with the Mediterranean Fleet, 1940-1941, with Combined Operations Command, Dieppe and Normandy, 1942-1944, and the British Pacific Fleet, 1945-1946. Also, typescript copies of operational orders for Operation NEPTUNE, Normandy, 1944.