Papers of Jeremy Bentham, 1750-1885, consist of drafts and notes for published and unpublished works, and cover many subjects including: Bentham's codification proposal, a plan to replace existing law with a codified system, an idea which manifested itself in Constitutional Code (London, 1830), a blueprint for representative democracy and an entirely open and fully accountable government, 1815-1832; penal code, which involved penal law giving effect to the rights and duties of civil law, [1773]-1831; punishment, to certain actions which, on account of their tendency to diminish the greatest happiness, would be classified as offences, [1773-1826]; Bentham's Panopticon, a way of maintaining and employing convicts in a new invented building, 1785-1813; Chrestomathia, the secondary school designed by Bentham, 1815-1826; evidence in law, [1780]-1823; religion, and the Church, 1800-1830; logic, ethics, deontology (the science of morality), morals, utilitarianism and the greatest happiness principle, 1794-1834; political economy, [1790]-1819; Supply without burthen or Escheat vice taxation, a proposal for saving taxes, 1793-1795; legislation, including law amendment and law reform, [1770-1843]; procedure, and procedure codes, [1780]-1830; law and issues in other countries, including Greece, Portugal, Spain, France, Belgium and Tripoli, 1810-1830; A Comment on the Commentaries, being a criticism of William Blackstone's Commentaries on the Laws of England, also Bentham's and Blackstone's views on civil code, [1774]-1830; sexual nonconformity, [1774]-1816; Scotch reform, 1804-1809; Court of Lords delegates, 1807-1821; parliamentary papers, and parliamentary reform, [1790]-1831; poor law, and poor plan, 1796-[1845]; correspondence, 1761-1866, including a corrected draft letter to James Madison, President of the United States of America, in which Bentham made an offer to draw up a complete code of laws for the USA, 1811.

Papers of George Dawes Hicks, 1880s-[1928] and undated, mainly comprising typescript and manuscript texts of his lectures at University College London on philosophical subjects including psychology, ethics, logic, metaphysics, Greek philosophy, Plato, Aristotle, Kant, Hegel, Spinoza, Lotze, Bradley, and modern philosophy; also including notebooks containing manuscript texts of the lectures on philosophy and psychology of Professor Robert Adamson, delivered at Owens College Manchester, 1886-1888, and at Glasgow, 1899-1900 (in boxes 2, 11, 13); printed and manuscript papers, 1880s-1890s, on educational issues, specifically the campaign to extend university teaching in London by establishing a teaching university, supported by University College London and King's College London, to secure a new charter for the University of London, and opposition to the campaign (in boxes 4, 17, 19, 20). Not all the lecture notes were originally made by Dawes Hicks himself.

Papers and correspondence of J Z Young including papers from Marlborough College and Magdalen College, Oxford, 1920-1931; lectures drafts for students, medical professional societies and school sixth forms, 1945-1984; transcripts for public lectures, 1941-1977; papers relating to teaching at Magdalen College, Oxford and University College London; papers relating to Young's research both published and unpublished including on nerves and nervous systems, flying spot microscope, cephalopods, memory and learning, evolution, structures and functions of brains and philosophy; papers relating to field research in Naples Zoological Station, 1928-1981, and Duke University, North Carolina, 1970-1983; conference , seminar and symposia papers, 1952-1984; drafts of books by Young, 1950-1987; papers relating to reviews, other published articles, literary refereeing and editing; professional correspondence and papers relating to overseas visits including to the 'Gold Coast' and the USA and research, correspondence and drafts of Young's publication and lecturing activity undertaken during his retirement including research at the Wellcome Trust and the Wolfson Foundation, 1974-1997.

Correspondence between D M S Watson and others; memorabilia; sketches and drawings; photographs; and newspaper cuttings.

Manuscript notes for lectures on natural philosophy delivered at the Royal Institution, numbered 2 to 21; no 1 is missing.

General correspondence and letters from individual correspondents such as John, Viscount Morley of Blackburn, George Eliot, Edmund Gurney, George Meredith and Henry Lewis, and other literary and scientific figures.

Manuscript paper, 'Contributions to evolution theory', sent to the zoologist Sir John Graham Kerr on 1 September 1922. All red marks, and probably all ink marks, done by Kerr.

Manuscript catalogue of the apparatus used in teaching the natural philosophy class in the Marischal College, Aberdeen.

Papers, including personal and professional correspondence; a heavily annotated copy of A.J.Ayer's 'Thinking and Meaning'; proof copy of J.E.McTaggart's 'Philosophical Studies'; Keeling's work on time and other reviews and articles; reviews of Keeling's own works; draft and proof articles for 'Encyclopaedia Britannica' and related correspondence; Keeling's birth and death certificates and documents relating to his will; 2 letters from Bertrand Russell (photocopies); a photocopy of details of Keeling's imprisonment as a conscientious objector in the First World War.

Testimonials, obituary notices, photographs, and some miscellaneous papers including a notebook.

Two lists of specimens, instruments, utensils, drawings, etc, illustrative of comparative anatomy and zoology. Both dated 12 January 1850.

The collection comprises correspondence and papers and covers Robertson's entire academic career. By far the largest part is the correspondence with Alexander Bain on the editing of Grote's Aristotle and on plans for Mind. There is also a group of letters from John Stuart Mill, mostly relating to the National Society for Women's Suffrage.

Manuscript notes and sketches on a course of lectures on zoology given by Sir Edwin Lankester (1847-1929).

Manuscript volume with contents dating from the 14th and 15th centuries, comprising a collection of 20 miscellaneous treatises, including 'Dyalethyca', with a commentary and exercise on the Summulae logicorum of Petrus Hispanus and other lectures and exercises in logic of Petrus Zech, alias De Pulka, of the University of Vienna, written by Johannes Sintram at Ulm and dated 1405; other treatises on liturgical and astrological subjects, including works by Johannes De Sacro Bosco; calendars; questions on canon law; verses. The pastedowns are from a 14th-century service book.

Papers of Professor Harold Foster Hallett, comprising his library of books concerning Philosophy and Spinoza; a collection of typescripts, lecture notes, proofs and other material relating to the study of philosophy, especially Spinoza.

Papers of Augustus De Morgan including letters and notebooks relating to various mathematical subjects and general correspondence 1864-1867.

1-4. Letters to Augustus de Morgan, mostly about mathematical books and the history of the signs + and -.

1. John Bellingham Inglis, 15 Sep 1864
   2-4. John Thomas Graves, 20 and 27 Sep and 8 Oct 1864
   5-7. Items concerning John Dawson of Sedbergh
   5. Thomas Harrison, 18 Apr 1867
   6. Edward Cust, 9 Sep 1867
   7. Short biography of John Dawson, manuscript copy of article in the 'Kendal Times', 24 Nov 1866
   8. MS notes by Augustus de Morgan, mostly concerned with mathematical books and the first use of the signs + and -.

Together with 14 request slips for books in the British Museum, one dated 1854 and the rest 1864.

Papers of Professor Harold Munro Fox, 1905-1968, comprising biographical papers, 1905-1965; notebooks and working papers, 1915-1967, including a journal, scientific observations and photographs relating to the Suez expedition, 1924-1925, laboratory notebooks,1925-1967; broadcast talks to schools, 1937-1939; lectures, chiefly from his last years at Bedford College, 1953-1955; publications, 1960-1967, including notes, correspondence, obituaries; personal and scientific correspondence, 1936-1970.

Papers of Professor Humphrey Robert Hewer, 1918-1974, comprising biographical papers, 1918-1974, including diaries, photographs; notebooks, journals and working papers, 1929-1973, relating to field trips, his work on seals, zygaena and woodpeckers; papers and correspondence of various natural history committees and societies on which he served, 1967-1974; drafts and material relating to Hewer's publications (especially British seals), 1926-1972; photographs, drawings, notes, and scripts for various wildlife films, 1951-1974; correspondence;
notebooks on zoology, cytology, made whilst a student at the Royal College of Science (Imperial College), [1920-1926].

Scientific papers of T H Huxley, 1846-1898, comprising notebooks made whilst Assistant Surgeon to HMS RATTLESNAKE, 1846-1850, containing his observations, sketches of specimens, notably oceanic hydrozoa, mollusca and crustacea, related notes;

scientific notebooks, papers and correspondence, [1855-1888], relating to botany and principally zoology, bound in volumes largely according to zoological classification, including invertebrata, crustacea, vertebrata, teleostei, amphibia, reptilia, aves, mammalia, carnivora, primates, anthropology, mycological, bacteria, hirudinea, mollusca, petromyzon, ganoidei, sturiones, dipnoi, teleostei, salmonidae, insectivora, rodentia, lepus, canidae, fossil fishes, dinosauria, ethnology, origins of biology, gentiana; correspondence concerning deep sea soundings, 1857; syllabus and notes for lectures, [1860-1886], for the Government (later Royal) School of Mines, Royal Institution, working men, London Institution, University of Edinburgh, notably on natural history, zoology, ethnology, elementary geography, physiography; correspondence, 1851-1894; notebooks, [1847-1884], concerning visits to Switzerland, Tenby, Italy, notes on anatomy and vertebrae;

drawings, [1847-1895] many illustrating laboratory work, and relating to observations in his notebooks, relating to protozoa and botany; coelenterata, brachiostomata, echinodermata, mollusca; vermes and arthropoda with peripatus; pisces with tunicata and amphioxus; mammalia; anthropological photographs, [1868-1898].

Papers of Thomas Henry Huxley, 1839-1931, comprising scientific and general correspondence, 1846-1911; Huxley family letters, 1842-1931; personal papers, 1839-1891; working papers, 1846-1900, largely comprising notes, drawings, lectures and unfinished essays, relating to anthropology and ethnology, 1866-1890, biology, 1846-1900, including voyage of HMS RATTLESNAKE, 1846-1850, education, 1861-1893, geology and palaeontology, 1854-1891, philosophy and ethics, 1871-[1893], theology and biblical criticism, [1859-1895]; papers of the Fisheries Commissions and Scottish Fishery Board, 1858-1864; appointment diaries, 1857-1894; drawings, [1849-1872]; caricatures and cartoons, [1852-1883]; photographs and engravings, [1846-1890]; posthumous papers, [1895-1925];

scientific papers, 1846-1898, comprising notebooks made whilst with HMS RATTLESNAKE, 1846-1850; scientific notebooks, containing drawings, notes, correspondence and lectures, [1855-1888], principally relating to zoology and largely organised by zoological classification; drawings, [1847-1895], many relating to the notebooks;

correspondence between Huxley and Henrietta Anne Heathorn, 1847-1854.

Papers of Thomas Henry Huxley, 1839-1931, comprising scientific and general correspondence, 1846-1911, notably from Alexander Emanuel Agassiz, 1874-1895; Matthew Arnold, [1870]-1880; William George Armstrong, 1874-1900; Charles Robert Darwin, [1851]-1882; Anton Dohrn, 1867-1900; John Fretchfield Dykes Donnelly, 1870-1897; Frederick Daniel Dyster, [1854-1892]; Michael Foster, 1865-1902; Edward Frankland, 1857-1895; Ernst Haeckel, 1862-[1907]; Albany Hancock, 1852-1870; Joseph Dalton Hooker, [1853]-[1900]; James Hunt, 1866-1868; Benjamin Jowett, [1870]-1893; Charles Kingsley, 1859-1871; James Thomas Knowles, 1871-1908; Edwin Ray Lankester, [1872]-[1907]; Joseph Norman Lockyer, [1863]-1894; Charles Lyell, 1853-1873; John Morley, 1867-1892; Herbert Spencer, 1852-1900; John Tyndall, 1851-1894; Edward Perceval Wright, 1860-1874; supplementary letters, 1842-1931, principally Huxley family letters, 1842-1886; letters to Mrs Huxley and Dr Leonard Huxley, 1868-1931; letters by T H Huxley, principally drafts or copies, 1850-1895; copies of correspondence of Joseph Dalton Hooker, 1856-1897;
personal papers, 1839-1891, comprising miscellaneous papers, 1839-1911, including sketches and bills; diplomas and appointments, 1850-1893;
papers relating to anthropology and ethnology, 1866-1890, including lecture course on ethnology; papers relating to biology, 1846-1900, including notes and drawings relating to published papers on marine invertebrates, zoological papers sent to the Royal and Linnean Societies from HMS RATTLESNAKE; papers relating to lectures and essays, Darwin's works; papers relating to education, 1861-1893, concerning scientific and technical education, reform of the University of London, press cuttings; papers of the Fisheries Commissions and Scottish Fishery Board, 1858-1864; reports, notes, drawings and lectures relating to geology and palaeontology, 1854-1891; papers relating to philosophy and ethics, 1871-[1893], including material for a history of philosophy and human thought; theology and biblical criticism, [1859-1895] principally notes and unfinished essays; papers relating to the British Museum, sociology and politics, spiritulism, [1858-1894]; notebooks,1846-1894, some containing drawings, relating to philosophy, lectures at the Royal Institution, London Institution, Royal College of Surgeons, biology, zoology, publications, religion; appointment diaries, 1857-1894;
drawings, [1849-1872], mainly of landscapes and some specimens; caricatures and cartoons, [1852-1883];
photographs and engravings, [1846-1890], mainly of people and houses; posthumous papers, [1895-1925], including obituaries and reminiscences.

Papers of Professor John Stodart Kennedy, 1915-1993, comprising biographical and autobiographical papers, 1915-1992, including Kennedy's autobiographical notes, family and personal papers, diaries;
papers relating to research, 1939-1992, documenting most stages of his scientific career from the 1930s, including wartime service; his periods at Cambridge, Imperial College and Oxford, categorised alphabetically by topic including aphids, behaviour/behaviourism, ethology, locusts, mosquitoes and motivation; photographs and observations in Albania, 1939; drafts and exchanges of ideas for his book of 1992;
papers and correspondence relating to Imperial College, 1963-1987; papers relating to lectures, papers and broadcasts, 1935-1987; publications, 1939-1992; societies and organisations, 1937-1991, including the Anti-Locust Research Centre; scientific and general correspondence, 1937-1992, with friends and colleagues such as Donald Livingston Gunn, Vincent Brian Wigglesworth, many overseas correspondents including scientific exchanges; papers relating to references and recommendations, 1954-1991, including correspondence with editors, authors and publishing houses; photographs, 1942-1985, notably of the work of the Middle East Anti-Locust Unit, 1942-1944, wind-tunnels, group photographs of meetings and symposia.

Letter from John Stuart Mill of India House, [London] to Madame [Sarah] Austin via Poste Restante, Dresden, 11 Mar 1842. Referring to Mill's A System of Logic: 'I have only just succeeded in extorting a negative answer from Murray [his publisher], after a consideration or at least a delay which endured from the middle of December to last Tuesday.'

Autograph, with signature.

Manuscript transcripts of six writings on hermetic philosophy, [1700], including tracts by David de Planis Campy, Adrien Ameuric and Raymond Lulle.'

Three treatises bound in one volume; the title pages, colophons and a few initials are illuminated. The verso of the penultimate leaf has been used for a notarial instrument dated 28 August 1571. The last leaf [blank?] is missing and has been replaced by a leaf from another MS. ff [1-51]: Petri Pauli [Vergerii] Iustinopolitani ad Ubertinum Karrariensem De ingenuis moribus ac liberalibus adolescentiae studiis liber; ff 52-3: Ode from Vergerius to Ubertinus in 15 stanzas beginning "Kariget nobis pater atque princeps"; ff 54- Guarini Ver[onensis] ad Angelum Corbinellum Florentinum in Plutarchi De liberis educandis translationem de graeco incip[it] prohoemium; ff 89- Magni Basilii De modostudendi poetis et oratori[b]us ex graeco in latinum versum ab clarissimo oratore Leonardo [Aretino] lib[er]. Usually known as "De liberalibus studiis et ingenuis moribus".

Manuscript notebook, [1764], containing an introductory section on philosophy and three sections on logic, the third being unfinished. Two engravings, printed in France, are inserted in the text, and the manuscript is probably French in origin. The partly obliterated date of 1764 occurs at the end of section 3.

Five fragments of Latin mediaeval manuscripts, formerly pastedowns, details as follows:

1. Fragment of a leaf containing part of a legal tract entitled Judicium Essoniorum relating to the procedure at assizes, dating from the 13th century. The text has variants and is in places abbreviated from that printed in G.E. Woodbine Four thirteenth century law tracts (New Haven, 1910). The text corresponds to the pp 119-20 of Woodbine's edition, where the composition of the work is attributed to Ralf de Hengham and the date of the composition put at 1267-1275.
2. and 3. Two consecutive leaves containing extracts from Part II of Gratian's Decretum, comprising Causa XXVI, quest. VII 16, to Causa XXVII, quest. I 19, on penance and the marriage of those who had sworn chastity. There is a glossary in a different hand and ink, with each section preceded by a symbol corresponding to one in the text. The leaves are possibly Italian and 14th century.
3. Leaf, foliated 109, in a late 14th century hand, containing part of Lib. XLII, 8, 1-10, of the Digestum Novum, relating to restitution to deceived creditors. With a glossary and marginal and interlineal annotations in several 13th-14th century hands. The fragment is probably English.
4. Fragment from the head of a bifolium, containing part of a commentary on Aristotle's De Anima Book III, heavily glossed and annotated in several 13th century hands. The fragment is probably English and early 13th century.

Two bifolia, formerly pastedowns, containing part of a work of scholastic philosophy, including a section on fate (sors), with marginal headings, annotations and indexing symbols in the hand of the text and in other 13th century hands. The manuscript was probably written in Italy during the mid-late 13th century.

Medieval manuscript fragments formerly used as pastedowns, as follows:

1. Fragment of a leaf containing part of an abridgement of Seneca's De Beneficiis. Contains a complete paragraph beginning 'Iam vero transeamus' and ending 'deinde benficium' (corresponding to Book II, 18-19, p.36, line 26, to p.39, line 12 of the Teubner 1900 edition). The manuscript was written in the mid-12th century, and there are corrections and additional punctuation in a 12th-13th century hand.
2. Fragment of a leaf containing part of St Jerome's Epistola ad Paulum, headed LIII (53), from halfway through paragraph 7 'mundum ad poenitentiam' to the end, and the first few words of the Prologue to the Pentateuch (ending 'Latratibus patens'). The manuscript was probably written in France during the second half of the 13th century.
3. Fragment of a leaf containing Book III, 6 and 7, of the Clementinae, on testaments and burials. With gloss and annotations in a 14th century hand. The manuscript was probably written in Germany in the 14th century, and is also inscribed in a 16th century hand 'Francoise de Pont femme a Monsieur Jehan George Pipon faict avec Madame Monet Perrot sa femme'.
4. Fragment of a leaf containing part of the sanctorale from a Missal of Roman use, from the epistle of the Assumption of the Virgin (15 Aug) to the introit for the feast of St Agapitus (18 Aug), only the mass for St Laurence (17 Aug) being complete. The manuscript was probably written in Italy during the 14th century.

Manuscript of a treatise on logic by John Wallis, 1685.

'A treatise of the Spirit of man of its Facultys and Functions and of its union to the body according to the principles of Renes Descartes by Louis De La Forge'. A translation of a French original, published in Paris 1666. A note at the end of this volume states that the writer (Samuel Griffith) of this manuscript finished his work on 1 January 1673/4, in Formosa.

Letters and other Papers of the Hon Robert Boyle. The Letters cover Boyle's correspondence; in addition to the letters by scientists such as Hartlib, Beale, Southwell, Wallis and Cole, the series contains letters from members of Boyle's family (Viscountess Ranelagh in particular). There are 37 letters of Boyle's preserved, and substantial blocks of papers from religious figures such as Robert Sharrock. The Papers cover his philosophical, scientific, theological and other interests, and cover most aspects of his life and works.

Papers of Louis Arnaud Reid, comprising drafts of published material, unpublished papers and lectures with some correspondence, notes and working papers, mainly dating from the 1970s-1980s.

Papers of Nathan Isaacs, 1913-1966, including lectures, unpublished writings and notes, publications and correspondence concerning his psychological and philosophical work.

Papers of Richard Stanley Peters, 1940s-1990s, including notebooks, chiefly containing drafts of essays and notes about books read; press cuttings; project proposals; lecture notes for public lectures by Peters, 1957-1976; papers on the Postgraduate Certificate in Education (PGCE) course, 1966-1967; papers concerning examinations and assessment; papers concerning programmes for the BBC, 1960s-1970s; papers relating to conferences; letters to politicians, including Shirley Williams, Keith Joseph, Harold Wilson and Jack Straw; printed syllabi for courses given by Peters on philosophy, mainly for the Council of Extra-Mural Studies, University of London, 1946-1959; loose material, including papers on South Place Ethical Society, Philosophical Psychology seminars; copies of articles and notes; BA philosophy notes, Sidcot School; biographical material relating to Peters and correspondence with the Institute of Education regarding Peters' employment. Papers relating to the Institute of Education (IOE) including correspondence with Sir William Taylor on IOE business, 1972-1977; papers relating to IOE courses; correspondence with IOE staff while on sabbatical at the Australian National University, 1969; IOE course handouts, containing seminar topics and reading lists, 1977-1981; papers relating to the Initial Courses Sub-Committee of the Central Academic Board, 1965-1968 and minutes of the Sub-Committee for Funded Research, 1974-1978. Correspondence with societies including the Royal Institute of Philosophy, 1972-1979, the American National Academy of Education, 1975-1981 and the Philosophy of Education Society, 1964-1980 and correspondence on topics including PhD supervision, conferences, publications and Peters' trips to Canada, USA, Australia and New Zealand.

Papers of the Philosophy of Education Society of Great Britain (PESGB), 1964-1991, including Executive Committee minutes, 1964-1980; Annual General Meeting minutes, 1964-1988 and working files of Executive Committee and Annual General Meeting , 1977-1991 (excluding 1980 and 1984). Papers relating to the PESGB constitution, 1983 and amended, 1986. Papers relating to workshops and conferences including Standing Conference on Studies in Education, 1974-1979; the World Congress on Philosophy, 1988; Day conference, 30 Nov 1984; Annual Conference, 1989-1990; Newsletter, 1989; National Conference for Philosophy, 1989-1990 and workshops 1985-1986. Correspondence, 1965-1990, including with the British Society of Aesthetics, 1975. Papers relating to surveys on the Philosophy of Education in Higher Education Departments, 1988 and the PESGB work and activities, 1984. Newsletters and related working papers, 1975-1990; membership files, 1983-1990; information sheets and application forms; papers relating to the Philosophy of Education Society, Australia; press cuttings, 1971; papers relating to London meetings, 1984 and papers relating to the Social Science Research Council, 1975-1976.

The papers in this collection are principally concerned with Drysdale's humanist and Malthusian beliefs and are mainly post World War I notes and drafts of chapters of unpublished books and articles. Also included is an unpublished work on family planning by Bessie Drysdale. The collection comprises papers relating to the following: Section 1: publication A Religion For Humanity; Section 2: the book The Malthusian Doctrine and Criterion of Overpopulation; Section 3: the publication To All Who Desire Permanent Peace and Prosperity: Section 4: projected book Science and Post-War Policy; Section 5: the book Wage Earners Save Yourselves!; Section 6: articles and writings on population and the Malthusian doctrine; Section 7: collection of notes and working papers on population; Section 8: collection of technical papers relating to Drysdale's Malthusian interests.

This collection consists of Ginsberg's correspondence; research notes and correspondence relating to Ginsberg's books articles, reviews and papers, including 'The Material Culture and Social Institutions of the Simpler Peoples', 'Dialogues on Metaphysics', 'Sociology', and the preface to L T Hobhouses 'Morals in Evolution'; research notes and lectures on subjects including logic, religion, morals, ethics, social psychology, and the influence of environment and heredity on race and class; papers and correspondence concerning university administration and examinations, relating predominantly to the University of London; Correspondence with L T Hobhouse and papers relating to his life and works and the Hobhouse Memorial Fund; miscellaneous papers and publications on sociological subjects including mental illness and race relations; and collected articles on sociological subjects by other authors.

Correspondence to and from Frederic and Ethelberta Harrison, including family correspondence and photocopies of Harrison's correspondence with Edward Spencer Beesly; Frederic Harrison's writings and speeches, including diaries on subjects such as the cotton famine in Lancashire, essays on subjects such as positivism, peoples education and the French Revolution, autobiographical notes, and ephemera; and press cuttings.

Minute books, account books and annual reports; correspondence (mainly of Henry Tompkins and Donald Fincham as Secretary), with members, with other Positivists, Humanists and Historians, and concerning the August Comte Memorial Trust; notes and papers by Henry Tompkins, including a short autobiography, addresses on positivist subjects, and notes on books he had read; other positivist writings, including pamphlets, reports and the text of talks; and various ephemera and pictures, including photographs of members, broadsheets and programmes, typescripts of correspondence between August Comte and George Lewes, and notes on the history of the Society.

Correspondence of John Stuart Mill; correspondence of Helen Taylor concerning the publication and translation of John Stuart Mill's works and correspondence, the Moral Reform Union, women's suffrage, the social position and education of women, the London School Board and education, literary work, the land question, political questions, Irish affairs, miscellaneous public interests, and private correspondence; letters of appreciation and criticism of John Stuart Mill's work and character, and of sympathy on his death; other miscellaneous letters concerning John Stuart Mill; additional correspondence of John Stuart Mill; correspondence of Harriet Taylor and other members of the Taylor family; material relating to honorary degrees, society memberships, etc. conferred on John Stuart Mill; note books, etc. of John Stuart Mill, including botanical notebooks; writings by Helen Taylor, including "Limits of Local Government", "Municipal Vote etc", and her diaries; letters, speeches and articles by and concerning John Stuart Mill, extracted from newspapers and periodicals; miscellaneous papers of John Stuart Mill, Helen Taylor, Harriet Taylor, and others; and photographs and press cuttings.

Papers created by or collected by Michael Oakeshott, c1880-c1995, notably include manuscripts of both published and unpublished works; notebooks and notes; personal correspondence with colleagues and family; press cuttings; administrative papers relating to his education and career. Also include papers relating to Oakeshott collected or created by Shirley Letwin and others, including research papers for Shirley Letwin's proposed biography of Oakeshott.

Papers of John Watkins, from the 1940s onwards consisting of an alphabetical series of correspondence files, mainly with other philosophers including Karl Popper, Imre Lakatos and Paul Feyerabend.

Papers, 1925-[1960s], of Sir Richard Winstedt relating to his publications, comprising annotated proofs of Malay dictionary, 1960; manuscripts of Malay Dictionary, undated; copy of his An English-Malay Dictionary (1952), with extensive manuscript annotations and alterations [after 1952]; manuscripts and typescripts for his memoirs Start from Alif: Count from One (published in 1969), largely relating to his time in south-east Asia [1960s]; manuscript on philosophy, undated; letter on Malay law to [S G?] Vesey-Fitzgerald, 1945; letter on a Malay manuscript from P Voorholne[?] of the Bibliotheek der Rijks-Universiteit te Leiden, 1951; part of a letter on Raffles College and educational needs in Malaya from an unknown correspondent, 1965; miscellaneous offprints by Winstedt on Malay literature, law, customs and culture, 1925, 1929, 1945, and undated.