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Harry S Truman Presidential Oral History Files is a themed microfiche collection composed of transcribed interviews relating to the professional career of Harry S Truman. From 1961 to 1989, the Harry S Truman Library conducted over 400 interviews for the oral history project, each relating to aspects of Truman's professional life, including his career as an artillery officer during World War One; district judge, 1922-1934; US Senator, 1934-1944; and President of the United States, 1945-1953. Included among the interviewees are Dean Acheson, US Secretary of State, 1949-1953; Konrad Adenauer, Chancellor, Federal Republic of Germany, 1949-1963; Richard Bolling, First Secretary, Office of US Political Adviser to the Supreme Commander for the Allied Powers, Tokyo, Japan, 1950; John H Chiles, Secretary, General Staff of the Far East Command, and Supreme Commander for the Allied Powers, 1948-1950; Clark McAdams Clifford, Special Counsel to the President, 1946-1950; 1st Lt Lorain H Cunningham, 129 Field Artillery, US Army, 1917-1918; Edgar C Faris, Jr, Secretary to Truman as Senator of Missouri, 1935-1938; Abraham Feinberg, friend of Truman, active in the creation of the State of Israel, 1945-1948; Raymond W Goldsmith, economist, US Department of State, 1947-1949; Gordon Gray, Secretary of the Army, 1949-1950 and Special Assistant to the President, 1950; (William) Averell Harriman, US Ambassador to the Soviet Union, 1943-1946 and to Great Britain, 1946, Special Assistant to the President, 1950- 1951, and Chairman, NATO Commission on Defence Plans, 1951; Edwin A Locke, Jr, Personal Representative of the President to China, 1945, Special Assistant to the President, 1946-1947, and Ambassador in Charge of US Mission to the Near East, 1951-1952; Robert Abercrombie Lovett, US Secretary of Defense, 1951-1953; Sir Roger Mellor Makins, British Deputy Under Secretary of State, 1948-1952, and British Ambassador to the United States, 1953-1956; and Earl Warren, Chief Justice of the United States, 1953-1969

Papers relating to his service as Third Sea Lord 1915-1916, principally comprising 'History of armoured cars, juggernauts, land battleships, tanks', a memorandum on the development of an armoured car force, 1914-1916, written [for Tudor and other Sea Lords] by Murray F Sueter, Sep 1916; 'Report on the design and construction of first land ship (tank)', written for Tudor by E H Tennyson D'Eyncourt, Director of Naval Construction, Sep 1916. Biographical notes on Tudor, compiled for members of the family by his great nephew, A B T Davey, with covering letter, 1976.

Papers relating to Tull's service with Air Command, South East Asia, 1943-1944; official correspondence and situation reports and relating to his command of Number 5 RAPWI (Recovered Allied Prisoners of War and Internees) Contact Team based at Ambarawa, Java, 1945-1946, including papers relating to the Japanese Army in Java, Sep-Nov 1945, and papers concerning Indonesian nationalist organisations; papers relating to Tull's memoir entitled 'Mission to Java', written during 1980-1981 and covering his service 1938-1946, edited by his sister in 1983.

Typescript memoir, written in 1992, as Commanding Officer, 1 Bn, Herefordshire Regt, 11 Armoured Div, 21 Army Group, North West Europe, 1944-1945, entitled '1st Bn The Herefordshire Regiment route and battles from the Normandy bridgehead to the R Elbe in Germany, June 1944 to April 1945, including route maps and CO's pocket maps for specific incidents', with seven printed maps of France, Belgium, the Netherlands and Germany, annotated with routes taken and unit dispositions. Papers relating to Turner Cain's tenure as Chief Instructor, Tactical Wing, School of Infantry, British Army of the Rhine, Sennelager, Germany, 1946-1947, including typescript training notes on exercises, tactics of armoured forces and river crossing techniques, with manuscript explanatory notes written by Turner Cain in 1992.

Mainly official publications and printed reports, memoranda on rearmament and supply before and during World War Two, with some photographs and personal papers, 1938-1953; notably including typescript copy of reminiscences by Brown with press cuttings and notes relating to the Ministry of Supply and other correspondence, 1938-1960; detailed diary by Turner, 1940; private papers by Turner on his domestic life, accounts, diary summaries, some correspondence and photographs, 1914-[1946]; files containing mainly typescript memoranda, correspondence and statistics relating to the Committee of Imperial Defence, War Office and Ministry of Supply, predominantly concerning rearmament and Second World War production, including progress reports on production and preparations for war, with printed reports on tanks and anti-tank guns, 1936-1943; minutes of a Committee of Imperial Defence sub-committee meeting on the supply of war material to Portugal, 1938; typescript review of air defence, including statistics of anti-aircraft guns, factory planning, civil defence, 1939-1940; file on munitions supply preparations incorporating some minutes of the Informal Army Council on munitions, 1937-1939; papers of the Industrial Capacity Committee including on US supplies to the UK in time of war, 1941; typescript briefing papers prepared for ministers for Commons' speeches, 1942; file of typescript retrospective analyses of war production contracts, 1948; printed reports and official publications on armed forces structure and expenditure, production and ordnance factories, national expenditure, post-World War One reconstruction, Ministry of Supply on inspection regimes, Whitley Councils 1917-1955, notably including 'Investigation of the Heavy Crossbow installations in Northern France', 2 vols, (1945), Ministry of Supply booklet entitled 'Progress in scientific research' (1947),'Statistics relating to the war effort of the United Kingdom' (HMSO, 1944), 'War-time tank production' (London, 1946), 'Review of Defects Disclosed by the Czechosolvak Crisis', 1938, report of a committee chaired by Sir Percy Mills on the organisation of the Royal Ordnance Factories, Apr 1951; 'Central planning and control in war and peace' by Sir Oliver Franks (1947), 'Interdenominational Advisory Committee on Army Chaplains Services', 1953,'Contracts and Finance Copy No. 2', Jun 1948; additional papers on a Royal Institute of Public Affairs Group Research Project on Changes in the Structure of Executive Government, 1956, and Report by Sir Keith Hancock on the Official History of the War: Civil Series, 1957.

Applications for tutorial studentships [1951-1980] (Ref: KA/FPS), 1966-1977 (Ref: KA/TSF). This series covers students from all faculties. Information typically consists of application forms and includes unsuccessful candidates as well as letters of nomination and renewal and general correspondence.

Comprising a series of questionnaires completed by parents and children participating in the TEDS project, 1994-2003; including initial contact questionnaires completed when twins were approximately one year old containing the name of mother or father, address, telephone details, consent signatures, information on twins such as whether identical or non-identical, differences in appearance, sleep patterns, feeding issues, dress, siblings, pregnancy details with diet, the health of mother, any complications and overview of the circumstances of the birth, post-natal status, levels of stress in the home, relationship between parents and their education, occupations and background, 1995-1997 (IOP/TEDS 1); questionnaires for two year old children and their parents, comprising sets of three pamphlets of around 40 pages each, completed by the mother and each twin containing questions on changes in family circumstances since last interview, illness of twins, toilet habits, juvenile self awareness, sociability, behaviour patterns, emotional state, levels of play attainment with matching shapes, colours, brick-building, drawings and puzzles completed by the children themselves, 1996-1998 (IOP/TEDS 2); questionnaires of year three surveys comprising parents' and three year old twins' booklets and consisting of basic contact details similar to previous sections, more detailed examination of the twins' behaviour such as patience, levels of anxiety, propensity for self-harm, sociability, diet, play, speech patterns, songs, nursery rhymes, discipline, with drawings by the children and tests of their vocabulary, 1997-1999 (IOP/TEDS 3); questionnaires of year four surveys, with consent and contact information, changes in the health, diet, sleep patterns, play, discipline, communications, likes and dislikes, alterations in status of parents, with a greater focus on speech development, reading ability and puzzle solving capabilities of the children, with drawings, vocabulary and puzzle-solving tests completed by the children, 1998-2000 (IOP/TEDS 4); survey booklets for the siblings sub-project investigating the development of siblings in twins families, containing year two, three and four cohorts, and comprising a sample of the total TEDS volunteer families, focusing on the development of the sibling, play, discipline, sociability, home life, vocabulary and puzzle and picture tests completed by the children, 1997-2001 (IOP/TEDS 5); various questionnaires including semi-completed forms, those without consent signatures, forms not data-inputted, opt-outs from the programme, [1996-2000] (IOP/TEDS 6); papers relating to studies used in planning the TEDS project, including studies of hemiplegia, comprising questionnaires completed by parents of sufferers for the London Hemiplegia Register, consisting of data on the health and behaviour of child sufferers, 1988-1991, questionnaires completed by teachers for the MRC Child Psychiatry Unit, requesting insight into the behaviour of children mainly in Middlesex schools, with computer printouts of statistics of the project, 1995-1997, box of audio tapes relating to a Institute of Psychiatry project, [1988] (IOP/TEDS 7); TEDS Environment (E-Risk) project papers comprising questionnaires completed by researchers during interviews with mothers and children around the age of five, and with their teachers, and consisting of a range of questions and puzzles designed to examine in more detail the background of a sample group of about 1100 twins drawn from the main register, [1999-2003] (IOP/TEDS 8).

Extracts from his private memoirs relating to Chindit operations in Burma, 1944-1945, written in [1970-1990].

Typescript text of talk by Tyrrell to Wimbledon Literary and Scientific Society [1985], entitled 'Some recollections of a prisoner of war of the Japanese', relating to his experiences as a POW in Zentsuji Camp, Shikoko Island, Japan, 1942-1945. Copies of eight certifications on Tyrrell by Commanding Officers of RN ships and establishments, 1933-1955, with copy of Tyrrell's Mention in Despatches citation for service on HMS ENCOUNTER, Mar 1942, copy of letter relating to the award of the Dutch Order of Orange Nassau, Aug 1948, and copy of newspaper cutting relating to Tyrrell's wedding, Dec 1947. Typescript address by R Adm William Terence Colborne Ridley at Tyrrell's memorial service, Jan 1995.

ULTRA: British Intelligence Messages based on decoded German Signals, 1941-1945 is a microfilm copy of file copies of decrypted teleprinter messages held at the National Archives, Kew (DEFE 3), relating to operational intelligence from intercepted German and Italian radio communications, 1941-1945. These signals became known as ULTRA. The various series of the messages are of two distinct types: intercepted signals, decrypted, translated, and sent from the German Naval Section of the Admiralty's Naval Intelligence Centre in the Admiralty; and summaries of intelligence derived from such signals sent to the War Office, Air Ministry, and overseas commands. The collection includes translated messages relating to the German invasion of Yugoslavia, Greece, Apr 1941; forewarnings of the impending German invasion of Crete, May 1941; Operation CRUSADER, 8 Army operations in the Western Desert, Nov 1941-Jan 1942; German Air Force cover of Mediterranean transport operations, Nov 1941-Jan 1942; forewarnings of the advance in the Western Desert of German Armed Forces under the command of Col Gen Erwin Rommel, Aug 1941; German surface vessel and U-boat communications, Aug 1941-Feb 1942; Allied victory over German U-boats in the Atlantic, 1942-1943; the delay of 8 Army, under the command of Gen Bernard Law Montgomery, at Mersa el Brega, Libya, Dec 1942; the Allied campaign in Sicily, Jul 1943; the Italian surrender and the Allied landing in Italy, Sep 1943; Adolf Hitler's decision to stand on successive defensive lines in Italy, Oct 1943; forewarning of FM Albert Kesselring's decision not to advance beyond his attack at Anzio, Italy, Feb 1944; and collected intercepts which identified the German divisions manning the coastal defences in the Pas de Calais, France, Jun 1944.

Papers of and relating to Evelyn Underhill, 1874-1997 and undated, comprising personal correspondence of and concerning Underhill, 1888-1969 and undated, the correspondents including Baron Friedrich von Hugel (three letters, 1911-1916), Underhill's husband Hubert Stuart Moore (117 letters from Underhill to Moore, 1890-1912 and undated, and 30 letters from Moore to Underhill, 1898-1906 and undated), Rabindranath Tagore (typed transcripts of 10 letters from Underhill to Tagore, 1913-1914), and members of the Underhill family, the subjects ranging from Catholicism, travels in Italy, Switzerland and France, publications and lectures, spiritual matters and advice, mysticism, health, and World War Two; correspondence, 1907-[1954], with various publishers concerning Underhill's publications (some posthumous) and broadcasts, including copyright, costs, sales and royalties; manuscripts and typescripts containing proposed holiday itineraries and recording Underhill's impressions while travelling in Italy, Switzerland and France, 1898-1899, 1901-1907; poetry, 1917-1923 and undated, including some work which was published; a speech at King's College London on being elected a Fellow, 1927; an article on 'The Fountain of Life: an iconographical study', published in 1910; material relating to spiritual development, 1921-1939, mainly under the guidance of Baron Friedrich Von Hugel and including transcripts of his letters, 1921-1924, and other items on spiritual advice, confessions, goals and progress; papers relating to retreats and religious writings, 1924-1932 and undated, including notebooks and texts of addresses; printed material by and concerning Underhill, 1926-1941, 1990, including some of her publications; press cuttings, 1891-1949, mainly reviews of Underhill's work but also including early published pieces; sketchbooks and drawings, 1892-1911 and undated, including sketches and watercolours of marine scenes in Britain, ecclesiastical subjects, and Italian and French architecture; photographs, c1925-c1930s and undated, including a photograph and negatives of Underhill (one at Pleshey), a portrait of Baron Von Hugel, marine views, and views of French and Italian castles and towns; material relating to the Underhill family, 1874-1940, including the marriage certificate of Evelyn Underhill's parents, 1874, a family tree, c1891, a copy of Evelyn Underhill's will, 1940, and details of books in Dr Williams's Library, London, which originated from Underhill's library; obituaries of and articles about Underhill, 1941-1997, including theses, bibliographies, memoirs, biographical material and reflections on her work; newsletters of the Evelyn Underhill Association, 1992-1997.

Minutes of committees including the Board of Governors, 1984-1997; Guy's Academic Committee 1982-1986; UMDS Academic Board, 1983-1994; Dental Studies Committee 1983-1989; Dental Academic Committee, 1989-1998; Dental Research Committee 1988-1989; Dental School and Hospital Departments/Board 1995-1998; Accommodation Committee 1982-1986; and Guy's King's and Thomas' Strategy Group, 1995-1996; Finance Committee 1984-1990; Library Committee 1982-1997; administrative records including files of the School Secretary, Registrar, Assistant Registrar and Clinical Dean, 1969-1997; Special Lectures files 1956-1998; Resource planning files 1992-1997; Library administration 1978-1999; Old students events/ alumni 1985-1997; Plan of UMDS site 1998; Examination Question Papers 1989-1998; Student Medical Education Committee (SMEC) papers 1990-1996; papers of the Physiological Society, 1997; student records 1982-1997; Personnel records, 1984-1998; publications including prospectuses, 1983-1995; Calendars, 1985-1986; Annual Report, 1984-1997; and related school and hospital publications, 1982-1996; financial reports and accounts, 1988-1992; student photographs, 1982-1998; ephemera, 1985-1997.

Issues of The Blue Beret, newspaper of the United Nations Force in Cyprus, Feb-Jun 1973.

The records of the University of London in King's College London Archives consist of Senate minutes, University regulations and calendars, 1844-1990. These comprise minutes of the University Senate, including some appendices, covering regulations, scholarships, finance, social affairs, libraries, general administration and strategic planning, 1950-1981; printed and bound Regulations for Internal Students of the University, 1973-1988; Calendars of the University of London, 1844, 1850, 1869, 1878, 1918-1919, 1923-1930, 1934-1935, 1937-1939, 1947- 1957, 1959-1990. These contain a wealth of information concerning the University and its staff and students, covering the history of the University, regulations, clubs and societies and list the teaching staff of the University and its officers. Calendars up to 1930 also list internal students of the constituent colleges including King's College.

Edition of War Neuroses in North Africa, a study prepared for the US Air Surgeon's Office, US Army Air Forces, by Lt Col Roy R Grinker, US Army Air Forces, and Capt John P Spiegel, US Army Air Forces, Sep 1943, relating to US Army and Army Air Forces neuropsychiatric casualties encountered by medical officers during World War Two generally and the Tunisian Campaign, Jan-May 1943, specifically

Microfilm collection containing copies of meeting minutes of the major conferences of the Combined Chiefs of Staff, 1941-1945. Meeting minutes include those for the conference held at Washington, DC, codenamed ARCADIA, at which Anglo-American planners first formed a combined strategy for the prosecution of the war, 22 Dec 1941-14 Jan 1942; the conference at Casablanca, Morocco, codenamed SYMBOL, during which the Anglo-American Combined Chiefs of Staff (CCS) first discussed the policies of German unconditional surrender, the Combined Bomber Offensive from Great Britain against Germany and the establishment of the French National Committee for Liberation, 14-24 Jan 1943; the Allied conference held at Washington, DC, codenamed TRIDENT, at which President Franklin Delano Roosevelt, Prime Minister Rt Hon Sir Winston Leonard Spencer Churchill, and the Combined Chiefs of Staff (CCS)discussed the decision to delay the invasion of France until May 1944, the Italian surrender, and the Battle of the Atlantic, 11-25 May 1943; the Allied conference at Quebec City, Canada, codenamed QUADRANT, at which the Allies endorsed a plan for the invasion of the Normandy coast in France, formed a new theatre of war, South-East Asia Command, with Acting Adm Lord Louis (Francis Albert Victor Nicholas) Mountbatten as Supreme Allied Commander, and regulated the procedures for co-operation between Great Britain and the US regarding the development and production of the atomic bomb, 12-24 Aug 1943; the Allied conferences at Cairo, Egypt, codenamed SEXTANT, at which the Allies discussed combined operations in South-East Asia with Generalissimo Chiang Kai-shek's Chinese forces, 22-26 Nov and 2-7 Dec 1943; the Allied conference at Teheran, Iran, codenamed EUREKA, during which the Allies first co-ordinated future strategy with Soviet Prime Minister Joseph Vissarionovich Stalin, including plans to coincide military operations against Germany in France and the Soviet Union in May 1944, 28-30 Nov 1943; the conference at Quebec City, Canada, codenamed OCTAGON, at which the Allies discussed the post-war division of Germany and a plan for its de-industrialisation, 12-16 Sep 1944; the conferences at Malta and Yalta, Soviet Union, codenamed ARGONAUT, at which the Allies discussed the division of post-war Germany, the occupation of Germany and Austria, Soviet involvement in the war against Japan, and the future government and frontiers of Poland, 30 Jan-9 Feb 1945; the conference at Potsdam, Germany, codenamed TERMINAL, during which surrender terms for Japan were discussed, the boundaries and peace terms for Europe were determined and Poland's government and frontiers were debated, 16 Jul-2 Aug 1945. Conference minutes include references to Allied production and assignment of war materials; British and US merchant vessel losses; US policy concerning assignments of Lend-Lease military aircraft, naval vessels and munitions to Great Britain; Allied petroleum supplies; propaganda and unconventional warfare; war crimes and prisoners of war; operational reports concerning the planning and conduct of Allied offensive operations in Europe, including the invasion of North Africa, codenamed Operation TORCH, Nov 1942; the invasion of Sicily, Italy, codenamed Operation HUSKY, Jul 1943; the US preparation for the invasion of Europe, codenamed Operation BOLERO; and the Allied invasion of Europe, codenamed Operation OVERLORD, Jun 1944; operational reports concerning the Japanese war economy; Japanese Imperial Army logistical capabilities; locations and strengths of Japanese forces in the Pacific; British participation in long range bombing of Japan; Allied operational efforts in Burma, India, Malaya, and the Philippines; Soviet claims on the Sakhalin and Kuril islands; the co-ordination of Allied strategic plans for the defeat and occupation of Japan, 1943-1944; Soviet military action to facilitate Operation OVERLORD; liaison between Allied theatre commanders and the Soviet Army; Soviet capabilities with reference to the Far East; US Lend-Lease requirements for the Soviet Union; and estimates of Soviet post-war capabilities and intentions, 1943-1945.

Documents on Disarmament, 1945- 1982, is a themed microfilm collection including documents on arms control and disarmament developments, 1945-1982. Subjects include relations with the US Atomic Energy Commission; proposed prohibition requirements for the production of biological and chemical weapons; bilateral talks between the Soviet Union and the United States, including the Strategic Arms Limitation Talks (START); US negotiations with aligned and non-aligned states; Commission on Security and Co- operation in Europe (CSCE) arms control talks; negotiations with UN organisations including the Ad Hoc Group on Disarmament and Development, the Commission for Conventional Armaments, the Disarmament Commission, international Atomic Energy Agency, and the Security Council, 1945-1982.

History of Intelligence Activities under General Douglas MacArthur, 1942-1950 is a microfilmed copy of an official US Army publication relating to intelligence activities in the Far East under Gen Douglas MacArthur, as Commander in Chief, Allied Forces, Southwest Pacific Area (SWPA); Commander, US Army Pacific; and Supreme Commander, Allied Powers (SCAP), 1942-1950. The collection includes documents relating to the history of the G- Section, the US Army Intelligence Division, General Headquarters, SWPA, and affiliated US intelligence units, 1942-1945; the guerrilla resistance movement in the Philippines, 1942-1945; Allied intelligence activities in the Philippines under the Japanese occupation, 1942-1945; operations of the US Army Military Intelligence Section, General Headquarters, SWPA, 1942-1945; operations of the Allied Translator and Interpreter Section (ATIS), SWPA, 1942-1946; operations of the Allied Intelligence Bureau, 1942-1946; operations of the Allied Geographical Section, GeneralHeadquarters, SWPA, 1942-1946; operations of the US Technical Intelligence Unit in the SWPA, 1942-1946; operations of the US Counter IntelligenceCorps, 1942- 1946; operations of the Civil Intelligence Section, SCAP, 1945-1948; and operations during the Allied occupation of Japan, 1945-1950.

Armed Forces Oral Histories: US Army Senior Officer Oral Histories is a themed microfiche collection of 96 interviews of senior US Army personnel, 1971-1986. The interviews cover the entire career of the interviewee. As biographical interviews, they emphasise the significant events in which the subject took part and the personalities with whom the subject came into contact. Many of the interviewees had long careers that spanned World War Two, the Korean War and the Vietnam War. However, many of the interviews relate to non-combat roles, including the formulation of major doctrinal and policy programmes for the US Army. Included in the collection are interviews with Gen Mark Wayne Clark, relating to his service as Commander, US 2 Corps, and liaison duties with French forces in North Africa, 1942, his position as High Commissioner of Austria, 1945-1947, and his services as Commander-in-Chief, United Nations Command in Korea, 1952-1953; Gen Lucius DuBignon Clay, relating to his service as Deputy Military Governor of Germany, Commander-in-Chief, US Military Forces Europe, and Military Governor of US Zone in Germany, 1947-1949; Gen William E Dupuy, relating to the establishment of US Training and Doctrine Command (TRADOC) following the Vietnam War; Gen Andrew Jackson Goodpaster, relating to his staff positions with Supreme Headquarters, Allied Powers Europe (SHAPE) and the North Atlantic Treaty Organization (NATO), his services with US Special Forces in Vietnam and Laos, and his role as Supreme Allied Commander, Europe (SACEUR); Gen Lewis B Hershey, relating to the US selective service system operation during World War Two and the American debate over the draft; Gen Lyman L(ouis) Lemnitzer, relating to his position on the US Joint Chiefs of Staff, 1945-1947, his services as Commander-in-Chief, Far East, 1955-1957, and Chairman, Joint Chiefs of Staff, 1960-1962; Gen Matthew Bunker Ridgway, relating to his command of US 82 Airborne Div in Sicily, Italy, and Normandy, France, 1942-1944, his position as US Commander, Mediterranean Theater and Deputy Supreme Allied Commander, Mediterranean, 1945-1946, Commanding General US 8 Army, Korea, 1950-1951, and NATO Supreme Allied Commander, Europe (SACEUR), 1952-1953; Gen Maxwell Davenport Taylor, relating to his service as US Military Representative to the President, 1961-1962, his views on counterinsurgency activities during the Vietnam War, US bombing tactics in North Vietnam, his role as US Ambassador to South Vietnam, and his views on Gen William Childs Westmoreland, Commander, US Military Assistance Command, Vietnam, 1964-1965.

A themed microfiche collection relating to material produced by the Historical Detachments of the US Army during the Korean War, 1950-1953. The scope and content of the interviews and studies therein was influenced by the nature of the conflict and by the types of units employed in combat. Despite the involvement of United Nations forces and the US Marine Corps, all units interviewed by the Historical Detachments were from the US Army. The two primary components of this collection are 'After-Action Reports' and 'Studies'. 'After-Action Reports' include accounts of combat-related activities of specific units during a campaign, engagement, or operation. They focus on the role or scope of action of particular units for a given period of time at a specific location, and consist of a narrative account of the action, combat interviews, and supplementary materials, including manuscript and printed maps, charts, and photographs. 'Studies' were prepared by the Historical Detachments to provide insight into unit strengths or deficiencies or problems in fundamental strategic and tactical matters, including the use of new weapons, techniques for supply and support, and fighting behaviour. 'After- Action Reports' in this collection include material relating to the assault on the North Korean defence line north of the Hongchon River by US 5 Cavalry Regt, 13-20 Mar 1951; Operation TOMAHAWK, the airdrop of US 187 Airborne Regimental Combat Team behind enemy lines at Munsan-ni, Korea, and the subsequent fighting around Parun-ni, Korea, 22 Mar-29 Mar 1951; preparation of defensive positions consisting of booby traps, barbed wire, and mines in the General Defense Line, Korea, 17-18 May 1951; action of US 3 Infantry Div to control the high ground of the 'Iron Triangle', which encompassed Chorwon, Kumwa, and Pyongyang, Korea, Jun 1951; engagements by US 23 Infantry Regt to control and secure strategic 'Heartbreak Ridge', the area connecting Hill 931 and Hill 894 near Satae-ri and Mundung-ni, Korea, Sep-Oct 1951; Operation CLAM UP, the operation to deceive the North Korean People's Army into dispatching patrols against United Nations lines, exposing them to ambush and capture, Feb 1952; Operation SMACK, US 31 Infantry Regt assault on Pokkae and Hasakkol, Korea, with co-ordinated support from air, artillery, and tank units, 12 Jan-25 Jan 1953. 'Studies' in this collection include reports relating to US personnel management from the beginning of hostilities until the initiation of cease-fire negotiations, Jun 1950-Jul 1951; inter-Allied co-operation during combat operations, Jun 1950-Jul 1951; offshore procurement of supplies by US 8 Army, 26 Jun 1951-31 Jul 1953; efforts to evacuate American and Allied dead from cemeteries in Korea and the Glory Plan to recover bodies from North Korea, 26 Jun 1950-23 Dec 1953; the organisation, activities, and equipment of mobile army surgical hospitals, auxiliary surgical and neurosurgical teams, and other US 8 Army medical support facilities, Jul 1950-Feb 1953; the Korean War armistice negotiations, Jul 1951-Jul 1953; ordnance salvage operations, Jul 1951-Sep 1953; logistical support to prisoners of war detained by United Nations forces, Jul 1951-Jul 1953; the organisation and pattern of North Korean People's Army and Chinese People's Liberation Army tactics, 26 Dec 1951; Chinese People's Liberation Army and North Korean People's Army materiel, weapons and equipment, 19 Jun 1952; US Army tank employment in positional warfare, 10-30 Jan 1953.