Capt Sir Basil Liddell Hart's papers reflect his position as the foremost military theorist in Britain between World Wars One and Two, as an influential military correspondent and as a prolific author of books on military theory and history. As such he sustained throughout his life an extensive correspondence with a wide variety of prominent individuals, including those in the armed forces, politicians, playwrights, journalists, military historians, embassy officials and clergymen.The collection includes Liddell Hart's files containing correspondence with several thousand individuals, as well as with government departments and military establishments, and clubs and political parties; his own military writings, including diary notes, memoranda, books, articles, letters to the press and texts of lectures; and an extensive collection of reference material, mainly comprising newspaper cuttings and pamphlets, covering a wide range of topics including military history, politics and society. The collection includes a small quantity of correspondence with Lady Liddell Hart, particularly after 1970.Correspondence with individuals, 1916-1970, with related papers, 1/1-780; general correspondence, 1904-1976, including with Embassy staff, Israeli military personnel, and researchers, 2/1-3241; correspondence with British and overseas publishers, military and non-military journals, news agencies, literary and legal advisers, 1919-1970, 3/1-196; correspondence with officialinstitutions, 1927-1970, including government departments, military establishments and museums, with correspondence relating to official histories of World Wars One and Two, 4/1-39; correspondence with political parties, clubs and organisations, 1922-1970, 5/1-35; letters to newspapers and journals, 1927-1968, 6/1927/1-6/1968/2; writings relating to military matters, 1910-1925, including diaries and notebooks, 7/1910/1-7/1925/13; papers relating to early life and career, 1895-1925, including service in World War One, 8/1-355; manuscripts, typescripts, proofs and reviews of books written or edited by Liddell Hart, with related papers, 1925-1970, 9/1-32, which includes notes on talks with T E Lawrence, 9/13, papers relating to German generals of World War Two, 9/24, and correspondence and papers relating to tanks, 9/28; published articles, including book reviews, with related papers, 1925-1969, 10/1925/1-10/1969/19 plus miscellaneous and supplementary papers; unpublished papers, 1925-1970, including appointment diaries, records of conversations and papers on military matters, and papers relating to Leslie Hore-Belisha, 1937-1957, 11/1925/1-11/1970/1 plus undated memoranda; notes for lectures, speeches, broadcasts and interviews, 1926-1969, with related correspondence, 12/1926/1-12/1969/4 plus miscellaneous papers; papers including presscuttings and copy letters relating to life and career, 1925-1970, 13/1-112; non-military material, including papers relating to religion, philosophy, sport, aviation, science, psychology and fashion, 1913-1969, 14/1-93; reference material, including original and published papers and proofs of publications, relating to military history, politics and society, 15/1-7, 16; military manualsand pamphlets, 1870-1961, 15/8. See below for those individuals who passed their own private papers to Liddell Hart.