Copies of papers and photographs relating to Chamberlain's life and career, 1906-1970, including unpublished manuscript memoirs, 1906-1923; papers relating to pay and postings, 1915-1949; account of service with Royal Flying Corps, 1916-1917; typescript report on visit to Palestine, 1920; papers relating to service as Education Officer, London District, 1924-1928, including typescript official report by Chamberlain to Maj Gen Walter Patrick Hore- Ruthven, 2nd Baron Ruthven, General Officer Commanding London District on visit to the Army of the Irish Free State, 1926; papers relating to service as Education Officer, Headquarters Presidency and Assam District, India, 1934-1938, including letters from Maj Gen John Standish Surtees Prendergast Vereker, 6th Viscount Gort, 1934-1937, Maj Gen George Mackintosh Lindsay, 1938 and Brig Eric Edward Dorman Smith, 1938, and typescript account of tour of Tibet, 1937; uncaptioned photographs of tour of Tibet, 1937; article by Chamberlain from The Journal of the Army Educational Corps, on the Tibet tour, 1938, also two articles from The Journal of the Royal Army Educational Corps, on a visit by HM Queen Elizabeth II in Jul 1950 to the Army College, Wellbeck Abbey, Nottinghamshire (1951), and on the Command Education Officers' Conference, 1951, including printed photograph of all officers, including Chamberlain, still serving with the Royal Army Educational Corps who were commissioned into the Army Education Corps on its formation in 1920, with texts of speeches, 1953 and 1955; correspondence including letters from Gort thanking Chamberlain for sympathy on the death of his son, Lt Hon Charles Standish Prendergast Vereker, Grenadier Guards, and on the Governorship of Gibraltar, 1941, and letters from Gen Sir Richard Nelson Gale and Gen Sir James Stuart Steele, congratulating Chamberlain on the award of the CBE, 1956-1957; reports and memoranda relating to service as Chief Education Officer, British North Africa Force, 1943-1945 and Middle East Land Forces, 1947-1948; press cuttings, 1953-1958 and obituaries, 1970-1971.

Manuscripts collected by William Marsden, including letters and other material, 1627-1668, relating to Portuguese Catholic missionaries in India, some from Ajmir and Agra, and Tibet; texts, grammars and vocabularies, [17th-18th centuries], including Welsh; Icelandic; Kannada; Tamil fragments, some on palmyra leaves; Javanese text; Tagalog fragments; manuscript letter from C T de Murr to William Marsden, 24 Feb 1797, regarding the Bibliotheca glottica universalis, with accompanying typescript transcription; Ionian (Greek) newspaper concerning King George III, 1805.

Several items were transferred to the Foyle Special Collections Library at King’s College London in 2018: martyrology of Portuguese missionaries in India and other parts of Asia, [17th century]; manuscript entitled 'Principio do dereito q. tem el Rey de Portugal da Ilha de Goa...1595', bound with 'Livro tresladado dos contos de Goa de todos os ordenados q. Sua Magestade da na India...', both 1658, also with cipher used presumably by the Jesuits, 'Cifra da Compa. q. devem ter todos os superiores...'; 'Bocabulario Tagalo', [c1580]; 'Vocabulario de la lengua Iloca'.