The Complete Works and Select Correspondence of Henry Sidgwick

1. Pamphlets and Books

"On the Classical Tripos Exam, in Support of the Alteration Proposed by W.G. Clark and R. Burn" (Cambridge, 1866). Reproduced.

"The Ethics of Conformity and Subscription" (London: Williams & Norgate, 1870). Reprinted in part and with alterations in Practical Ethics. Reproduced.

The Methods of Ethics (London: Macmillan, 1874, 1877, 1884, 1890, 1893, 1901, 1907; translated Japanese, 1898; translated German, 1909). The first and seventh editions are reproduced.

A Supplement to the first edition of the Methods of Ethics (London: Macmillan, 1878). Contains changes made for the second edition.

A Supplement to the second edition of the Methods of Ethics (London: Macmillan, 1884). Contains changes made for the third edition.

The Principles of Political Economy (London: Macmillan, 1883, 1887, 1901). Final edition reproduced.

The Scope and Method of Economic Science (London: Macmillan, 1885). Included in Miscellaneous Essays and Addresses.

Outlines of the History of Ethics for English Readers (London: Macmillan, 1886, 1888, 1892, 1896, 1902; translated Italian, 1902). Final edition reproduced.

The Elements of Politics (London: Macmillan, 1891, 1897, 1908, 1919). Final edition reproduced.

"The Pursuit of Culture as an Ideal" (Aberystwyth: University College of Wales, 1897). Reproduced.

Practical Ethics: A Collection of Addresses and Essays (London: Swan Sonnenschein, 1898, 1909). Final edition reproduced. Includes the Following:

1. "The Scope and Limits of the Work of an Ethical Society." Paper read to the Cambridge Ethical Society, 18 May 1888.

2. "The Aims and Methods of an Ethical Society." Originally published as "My Station and Its Duties," International Journal of Ethics 4 1893.

3. "Public Morality." Paper read to the Eranus Society, 26 Jan. 1897.

4. "The Morality of Strife." Originally published in International Journal of Ethics 1 1890.

5. "The Ethics of Religious Conformity." Originally published in International Journal of Ethics 6 and 7, 1895 and 1896.

6. "Clerical Veracity."

7. "Luxury." Originally published in International Journal of Ethics 5 1894.

8. "The Pursuit of Culture." Paper read to the London School of Ethics and Social Philosophy, 24 Oct. 1897. Part of 1897 pamphlet (see above).

9. "Unreasonable Action." Originally published in Mind n.s. 2 (6) 1893.

Philosophy, Its Scope and Relations: An Introductory Course of Lectures, edited by James Ward (London: Macmillan, 1902). Reproduced.

Lectures on the ethics of T.H. Green, H. Spencer, and J. Martineau, edited by E.E. Constance Jones (London: Macmillan, 1902). Reproduced.

The Development of European Polity, edited by Eleanor Mildred Sidgwick (London: Macmillan, 1903). Reproduced.

Miscellaneous Essays and Addresses, edited by Eleanor Mildred Sidgwick and Arthur Sidgwick (London: Macmillan, 1904). Reproduced. Includes the Following:

1. "Ecce Homo." Originally published in Westminster Review, July 1866.

2. "The Prophet of Culture." Originally published in Macmillan's Magazine, Aug. 1867.

3. "The Poems and Prose Remains of Arthur Hugh Clough." Originally published in Westminster Review, Oct. 1869.

4. "Shakespeare's Methods, with Special Reference to Julius Ceasar and Coriolanus." Unpublished lecture, 1889.

5. "Shakespeare and the Romantic Drama, with Special Reference to Macbeth." Unpublished lecture, 1889.

6. "Bentham and Benthamism in Politics and Ethics." Originally published in Fortnightly Review, May 1877.

7. "The Scope and Method of Economic Science." An Address given as President of the Economic Science and Statistics Section of the British Association, 1885.

8. "Economic Socialism." Originally published in Contemporary Review, Nov. 1886,

9. "Political Prophecy and Sociology." Originally published in National Review, Dec. 1894.

10. "The Economic Lessons of Socialism." Originally published in Economic Journal, Sept. 1895.

11. "The Relation of Ethics to Sociology." Originally published in International Journal of Ethics 10 1899.

12. "The Theory of Classical Education." Originally published in Essays on a Liberal Education, edited by F.W. Farrar (London: Macmillan, 1867).

13. "Idle Fellowships." Originally published in Contemporary Review, April 1876.

14. "A Lecture Against Lecturing." Originally published in New Review, May 1890.

15. "The Pursuit of Culture as an Ideal." Partial reprint of pamphlet from 1897. See above.

Supplement, "Alexis de Tocqueville." Originally published in Macmillan's Magazine, nov. 1861.

Lectures on the Philosophy of Kant and Other Philosophical Lectures and Essays, edited by James Ward (London: Macmillan, 1905). Reproduced. Also Includes the Following:

1. "The Sophists," Parts 1 and 2. Originally published in The Journal of Philology, vols. iv and v, 8 and 9, 1872 and 1873.

2. "Incoherence of Empirical Philosophy." Originally published in Mind 7 (28) 1882.

3. "A Dialogue on Time and Common Sense." Originally published in Mind, n.s. 3 (12) 1894.

4. "The Philosophy of Common Sense." Originally published in Mind, n.s. 4 (14) 1895.

5. "Criteria of Truth and Error." Originally published in Mind, n.s. 9 (33) 1900.


Henry Sidgwick, A Memoir, edited by Eleanor Mildred Sidgwick and Arthur Sidgwick (London: Macmillan, 1906). Reproduced. Also Includes the Following:

1. "The Nature of the Evidence for Theism." Paper read to the Synthetic Society, 25 Feb. 1898.

2. "Authority, Scientific and Theological." Paper read to the Synthetic Society, 24 Feb. 1899.


National and international right and wrong, edited by James Bryce (London: Macmillan, 1920). A reprint of the essays "Public Morality" and "The Morality of Strife," from Practical Ethics.

2. Essays, Articles, Reviews, Notes, Reports, and Letters to Editor

All of the following are reproduced.

Goethe and Frederika (verses). Macmillan's Magazine, March 1860. Reprinted in Memoir.

Eton. Macmillan's Magazine, Feb. 1861.

Letter to The Times. 20 Feb. 1861. In Memoir.

The Despot's Heir (verses). Macmillan's Magazine, March 1861. Reprinted in Memoir.

Review of Ranke's History of England. Macmillan's Magazine, May 1861.

Alexis de Tocqueville. Macmillan's Magazine, Nov. 1861. In Miscellaneous Essays.

Ecce Homo. Westminster Review, July 1866. In Miscellaneous Essays.

Liberal Education. Macmillan's Magazine, Aug. 1867.

The Prophet of Culture. Macmillan's Magazine, Aug. 1867. In Miscellaneous Essays.

The Theory of Classical Education. Essays on a Liberal Education, edited by F.W. Farrar. 1867. In Miscellaneous Essays.

Mr. Roden Noel's Poems. Spectator, 13 Feb. 1869.

Letter to the Editor, Mr. Lowe's Budget. Spectator, 5 June 1869.

Review of Courthope's Ludibria Lunae. Spectator, 7 Aug. 1869.

Poems of Prose Remains of A.H. Clough. Westminster Review, Oct. 1869. In Miscellaneous Essays.

Review of Baring-Gould's Origin and Development of Religious Belief. Cambridge University Gazette, 6 Jan. 1870.

Clerical Engagements. Pall Mall Gazette, 6 Jan. 1870.

Review of Broome's Stranger of Seriphos. Spectator, 19 Feb. 1870.

The Verification of Beliefs. Paper read to the Metaphysical Society, 27 April 1870.

Review of Grote's Examination of the Utilitarian Philosophy. Cambridge University Reporter, 8 Feb. 1871.

Review of Courthope's Paradise of Birds. Spectator, 18 Feb. 1871.

Review of Swinburne's Songs Before Sunrise. Cambridge University Reporter, 22 Feb. 1871.

Review of Maguire's Essays on the Plationic Ethics. Cambridge University Reporter, 1 March 1871.

Review of Grote's Examination of the Utilitarian Philosophy. Academy, 1 April 1871.

Review of Conway's Earthly Pilgrimage. Academy, 15 April 1871.

Critique of Prof. Fraser's edition of Berkeley's Works. Athenaeum, 17 and 24 June 1871.

Review of Hutton's Essays, Theological and Literary. Academy, 1 July 1871.

The Verification of Beliefs. Contemporary Review, July 1871.

Review of Maguire's Essays on the Platonic Ethics. Academy, 15 Sept. 1871.

Review of Beale's Life Theories and Their Influences on Religious Thought. Academy, 15 Oct. 1871.

Review of Lewes's History of Philosophy. Academy, 15 Nov. 1871.

Obituary notice of Prof. Trendelenburg. Academy, 1 Feb. 1872.

Review of Zimmerman's Samuel Clarke's Life and Doctrine. Academy, 1 April 1872.

Review of Leifchild's Higher Ministry of Nature. Athenaeum, 6 April 1872.

Critique of Lord Ormathwaite's Astronomy and Geology Compared. Athenaeum, 20 April 1872.

Pleasure and Desire. Contemporary Review, April 1872.

Monck's Space and Vision. Athenaeum, 18 May 1872.

Review of Cobbe's Darwinism in Morals. Academy, 15 June 1872.

Review of Barzellotti's La Morale Nella Filosofia Positiva. Academy, 1 July 1872.

Review of Bree's Exposition of Fallacies in the Hypothesis of Mr. Darwin. Athenaeum, 20 July 1872.

Review of Bikker and Hatton's Ethics for Undenominational Schools. Athenaeum, 27 July 1872.

Note in Reply to Bree. Athanaeum, 3 Aug. 1872.

Review of Spicker's Die Philosophie des Grafen von Shaftesbury. Academy, 15 Aug. 1872.

Review of Mahaffy's Kant's Critical Philosophy for English Readers. Academy, 15 Sept. 1872.

Review of Jödl's Leben und Philosophie David Hume. Academy, 15 Oct. 1872.

Letter to the Editor, The New University Reformers. Spectator, 30 Nov. 1872.

The Sophists, I. Journal of Philology 4 (8) 1872. In Lectures on the Philosophy of Kant.

The Sophists, II. Journal of Philology 5 (9) 1873. In Lectures on the Philosophy of Kant.

Review of Spencer's Principles of Psychology. Academy, 1 April 1873.

Obituary notice of John Stuart Mill. Academy, 15 May 1873.

Review of Spencer's Principles of Psychology. Spectator, 21 June 1873.

Review of Tuke's Effect of the Mind Upon the Body. Athenaeum, 12 July 1873.

Review of Mansel's Letters, Lectures, and Reviews. Academy, 15 July 1873.

Review of J. F. Stephen's Liberty, Equality, Fraternity. Academy, 1 Aug. 1873.

Review of Cairnes's Political Essays. Spectator, 8 Nov. 1873.

Utilitarianism. Paper read to Metaphysical Society, 16 Dec. 1873.

On a Passage in Plato's Republic. Journal of Philology 5 (10) 1874.

Review of Green and Grose's edition of Hume's Treatise. Academy, 30 May 1874.

Review of Green and Grose's edition of Hume. Spectator, 27 March 1875.

The Theory of Evolution in Its Application to Practice. Paper read to the Metaphysical Society, 13 July 1875.

The Late Professor Cairnes. Spectator, 31 July 1875.

Review of Green and Grose's edition of Hume's Essays. Academy, 7 Aug. 1875.

The Eton Dispute. Spectator, 27 Nov. 1875.

The Theory of Evolution in Its Application to Practice. Mind 1 (1) 1876.

Philosophy at Cambridge. Mind 1 (2) 1876.

Bradley's Ethical Studies. Mind 1 (4) 1876.

Prof. Calderwood on Intuitionism in Morals. Mind 1 (4) 1876.

Idle Fellowships. Contemporary Review, April 1876. In Miscellaneous Essays.

Hedonism and Ultimate Good. Mind 2 (5) 1877.

Rejoinder to Bradley's Reply to "Bradley's Ethical Studies." Mind 2 (7) 1877.

Review of Grote's Treatise on the Moral Ideals. Mind 2 (6) 1877.

Reply to Barratt on The Suppression of Egoism. Mind 2 (7) 1877.

Bentham and Benthamism. Fortnightly Review, May 1877. In Miscellaneous Essays.

The Relation of Psychogony to Metaphysics and Ethics. Paper read to the Metaphysical Society, 15 Jan. 1878.

Ethics. Encyclopedia Britannica 9th edition 1878. Expanded to Outlines of the History of Ethics for English Readers (see above).

Dr. Georg von Gizycki on Hume's Ethics. Academy, 5 Oct. 1878.

The Establishment of Ethical First Principles. Mind 4 (13) 1879.

Incoherence of Empirical Philosophy. Paper read to the Metaphysical Society, 14 Jan. 1879.

The So-called Idealism of Kant. Mind 4 (15) 1879.

Review of Guyau's La Morale d'Épicure. Mind 4 (16) 1879.

Economic Method. Fortnightly Review, Feb. 1879.

What is Money? Fortnightly Review, April 1879.

The Scope of Metaphysics. Paper read to the Metaphysical Society, 10 April 1879.

The Wages Fund Theory. Fortnightly Review, Sept. 1879

On Historical Psychology. Nineteenth Century, Feb. 1880.

Kant's Refutation of Idealism. Mind 5 (17) 1880.

Review of Fouillée's L'Idée Moderne du Droit. Mind 5 (17) 1880.

Mr. Spencer's ethical system. Mind 5 (18) 1880.

Inaugural Address to the Society for Psychical Research. Proceedings of the Society for Psychical Research 1 1882.

Address to the Society for Psychical Research. Proceedings of the Society for Psychical Research 1 1882.

On the Fundamental Doctrines of Descartes. Mind 7 (27) 1882.

Incoherence of Empirical Philosophy. Mind 7 (28) 1882. In Lectures on the Philosophy of Kant

Review of L. Stephen's The Science of Ethics. Mind 7 (28) 1882.

A Criticism of the Critical Philosophy, I. Mind 8 (29) 1883.

A Criticism of the Critical Philosophy, II. Mind 8 (31) 1883.

Kant's View of Mathematical Premisses and Reasonings. Mind 8 (31) 1883.

Kant's View of Mathematical Premisses and Reasonings. Mind 8 (32) 1883.

Address to the Society for Psychical Research. Proceedings of the Society for Psychical Research I 1883.

Address to the Society for Psychical Research. Proceedings of the Society for Psychical Research II 1884.

Green's Ethics. Mind 9 (34) 1884.

Review of Fowler's Progressive Morality. Mind 10 (38) 1885.

Review of Martineau's Types of Ethical Theory. Mind 10 (39) 1885.

The Scope and Method of Economic Science. Paper read to the British Association, 1885. In Miscellaneous Essays.

Dr. Martineau's Defence of Types of Ethical Theory. Mind 11 (41) 1886.

The Historical Method. Mind 11 (42) 1886.

Review of Bluntschli's Theory of the State. English Historical Review, April 1886.

The Possibilities of Mal-Observation (discussion with C.C. Massey). Proceedings of the Society for Psychical Research 4 1886.

Bi-metallism (no. 1): Theory of International Bi-metallism. Fortnightly Review, Oct. 1886.

Economic Socialism. Contemporary Review, Nov. 1886. In Miscellaneous Essays.

Idiopsychological Ethics. Mind 12 (45) 1887.

The Kantian Conception of Free Will. Mind 13 (51) 1888. Appendix to The Methods of Ethics, sixth edition.

Review of Pulszky's Theory of Law and Civil Society. English Historical Review, Oct. 1888.

Preface to Aschrott's English Poor Law System. 1888.

Address to the Society for Psychical Research. Proceedings of the Society for Psychical Research 5 1888.

The Scope and Limits of the Work of an Ethical Society. Paper read to the Cambridge Ethical Society, 18 May 1888. In Practical Ethics.

Address to the Society for Psychical Research on the Physical Phenomena of Spiritualism. Proceedings of the Society for Psychical Research 5 1889.

Canons of Evidence in Psychical Research. Proceedings of the Society for Psychical Research 6 1889.

The Census of Hallucinations. Proceedings of the Society for Psychical Research 6 1889.

Ad Interim Report on the Census of Hallucinations. Proceedings of the Society for Psychical Research 6, Supplement, 1889.

Experiments in Thought Transference (with E.M. Sidgwick). Proceedings of the Society for Psychical Research 6 1889.

Plato's Utilitarianism: A Dialogue by John Grote and Henry Sidgwick. Classical Review, March 1889.

Some Fundamental Ethical Controversies. Mind 14 (56) 1889.

Shakespeare's Methods, with Special Reference to Julius Ceasar and Coriolanus. 1889. In Miscellaneous Essays.

Shakespeare and the Romantic Drama, with Special Reference to Macbeth. 1889. In Miscellaneous Essays.

A Lecture Against Lecturing. New Review, May 1890. In Miscellaneous Essays.

Letter to the Editor, Prof. Sidgwick on Lecturing. The Journal of Education, n.s. 12 July 1890.

Second Address on the Census of Hallucinations. Proceedings of the Society for Psychical Research 6 1890.

Second Ad Interim Report on the Census. Proceedings of the Society for Psychical Research 6, Supplement, 1890.

The Morality of Strife. International Journal of Ethics, 1 1890. In Practical Ethics.

The Feeling-Tone of Desire and Aversion. Mind n.s. 1 (1) 1892.

Review of Spencer's Justice. Mind n.s. 1 (1) 1892.

Aristotle's Classification of Forms of Government. Classical Review, April 1892.

Is the Distinction Between 'Is' and 'Ought' Ultimate and Irreduciable? Proceedings of the Aristotelian Society, n.s. 1 1892.

Unreasonable Action. Mind n.s. 2 (6) 1893. In Practical Ethics.

My Station and Its Duties. International Journal of Ethics 4 1893 In Practical Ethics under the title "The Aims and Methods of an Ethical Society."

Note to the Report of the Gresham University Commission. Jan. 1894.

Luxury. International Journal of Ethics 5 1894. In Practical Ethics.

A Dialogue on Time and Common Sense. Mind n.s. 3 (12) 1894. In Lectures on the Philosophy of Kant.

Political Prophecy and Sociology. National Review, Dec. 1894. In Miscellaneous Essays.

The Trial Scene in the Iliad. Classical Review, Feb. 1894.

Note on the Term ektëmoroi or ektëmoriori. Classical Review, July 1894.

Conjectures on the Constitutional History of Athens. Classical Review, Oct. 1894.

Economic Science and Economics. Dictionary of Political Economy I, edited by R. Palgrave. 1894.

Report on the Census of Hallucinations (with A. Johnson, F.W.H. Myers, F. Podmore, and E.M. Sidgwick). Proceedings of the Society for Psychical Research 10 1894.

Disinterested Deception. Journal of the Society for Psychical Research 6 1894.

The Philosophy of Common Sense. Mind n.s. 4 (14) 1895. In Lectures on the Philosophy of Kant.

Theory and Practice. Mind n.s. 4 (15) 1895.

Review of Ritchie's Natural Rights. Mind n.s. 4 (15) 1895.

The Ethics of Religious Conformity. International Journal of Ethics 6 1895. In Practical Ethics.

The Economic Lessons of Socialism. Economic Journal, Sept. 1895. In Miscellaneous Essays.

Note on the Memorandum of Sir R. Giffen to the Royal Commission on the Financial Relations of Great Britain and Ireland. Report of the Commission 2 1895.

Memorandum in Answer to Questions from the Royal Commission on Secondary Education. Report of the Commission 6 1895.

Prefatory Note to V. Solovev's A Modern Priestess of Isis, abridged and translated by Walter Leaf. 1895.

Review of Gidding's Principles of Sociology. Economic Journal, Sept. 1896.

The Ethics of Religious Conformity. International Journal of Ethics 8 1896. In Practical Ethics.

Preface to J.R. Seeley's Introduction to Political Science, edited by Henry Sidgwick. 1896.

Involuntary Whispering Considered in Relation to Experiments in Thought Transference. Proceedings of the Society for Psychical Research 12 1897.

Public Morality. Paper read to the Eranus Society, 26 Jan. 1897. In Practical Ethics.

Clerical Veracity. In Practical Ethics.

The Pursuit of Culture. Paper read to the London School of Ethics and Social Philosophy, 24 Oct. 1897. In Practical Ethics.

Comments on Tennyson, in Life of Tennyson, 2 Vols., by H. Tennyson. Vol. 1 1897. In Memoir.

Concessions and Questions for the Synthetic Society, in The Wilfrid Wards and the Transition, edited by Maisie Ward. 1934.

On the Nature of the Evidence for Theism. Paper read to the Synthetic Society, 25 Feb. 1898. In Memoir.

Authority, Scientific and Theological. Paper read to the Synthetic Society, 24 Feb. 1899. In Memoir.

Review of Gidding's Elements of sociology. Economic Journal, Sept. 1899.

The Relation of Ethics to Sociology. International Journal of Ethics 10 1899. In Miscellaneous Essays.

Memorandum to the Royal Commission on Local Taxation. Report of the Commission 1899.

Political Economy, Its Scope. Dictionary of Political Economy III, edited by R. Palgrave. 1899.

Political Economy, Its Method. Dictionary of Political Economy III, edited by R. Palgrave. 1899.

Political Economy and Ethics. Dictionary of Political Economy III, edited by R. Palgrave. 1899.

Criteria of Truth and Error. Mind n.s. 9 (33) 1900. In Lectures on the Philosophy of Kant.

Autobiographical Note, in Life of E.W. Benson, 2 Vols., by A.C. Benson. 1899. In part in Memoir.

The Philosophy of T.H. Green. Mind n.s. 10 (37) 1901. In Lectures on the Philosophy of Kant.

Prof. Sidgwick's Ethical View: An Auto-Historical Fragment. Mind n.s. 10 (38) 1901. In The Methods of Ethics, sixth edition.

List of Archival Sources

The largest collection of primary source material so far located is housed in the Sidgwick Papers, Trinity College, Cambridge, the Wren Library. Add MSS a. 38, a. 50, a. 247, b. 64, b. 68-71, c. 93-106, d. 64-71. Various items reproduced. See also the Balfour Collection, the Myers Collection, and others.

Other Collections

Scottish Record Office, H.M. General Register House, Edinburgh, the Balfour of Whittingehame Papers. Contains, in addition to estate papers, a number of personal letters between Henry and Eleanor Sidgwick and G.W. Balfour, as well as a few miscellaneous items of relevance.


Balliol College, Oxford University, the T.H. Green Papers. Contains Sidgwick's "Recollection of T.H. Green" and some rough notes on Sidgwick by Benjamin Jowett.


Beinecke Rare Book and Manuscript Library, Yale University. Contains six letters from Sidgwick to J. Cross and two letters, reproduced, from Sidgwick to George Eliot.


Belsey, Andrew, grandchild of Sidgwick's brother Arthur, holds various family letters relating to Sidgwick's death.


Berg Collection, New York Public Library. Contains two letters from Sidgwick to H. Macmillan and one letter from Sidgwick to F. Unwin.


Bancroft Library, University of California--Berkeley, deMorgan Collection. Contains one letter from Sidgwick to W. deMorgan, concerning psychic research.


The Bodleian Library, Oxford. Various collections. Contains Sidgwick's letters to Mrs. A. H. Clough (including the originals of those published in Eleanor Mildred Sidgwick and Arthur Sidgwick, Henry Sidgwick, A Memoir; a large number of personal letters to Sidgwick's sister Mary Benson; a very lengthy correspondence between Sidgwick and James Bryce concerned with political issues, Bryce's The American Commonwealth, and Sidgwick's The Elements of Politics; also some correspondence with H. Rashdall, C.H. Pearson, and W. Harcourt. Sidgwick's letters to Bryce are reproduced.


Bristol University Library, Symonds Papers. Contains six letters from Sidgwick to J.A. Symonds, reproduced, and four letters from Sidgwick to Catherine Symonds, as well as letters from Eleanor Sidgwick and Arthur Sidgwick.


British Library. Various collections, including correspondence between Sidgwick and Arthur Balfour, Macmillan, W.E. Gladstone, Mary Gladstone, and C. Dilke, as well as an important selection of Eleanor Sidgwick's correspondence. Various letters from Sidgwick to Balfour are reproduced.


Hertfordshire Record Office, Edward Robert Bulwer-Lytton, Earl Lytton, Papers. Contains five letters from Sidgwick, mostly bearing on psychical research, though one letter is on The Elements of Politics. Reproduced.


University Library, Cambridge University. Various collections. Includes important correspondence between Sidgwick and such figures as Lord Acton, F.W. Maitland, J.N. Keynes, S. Taylor, and H. Jackson. The Archives for the Society for Psychical Research are now also located there.


Rare Book and Manuscript Library, Butler Library, Columbia University. Contains one letter from Sidgwick to E. Seligman and two letters from Sidgwick to G. Plimpton.


Dakyns Collection, owned by Andrew Dakyns. Nearly 200 letters, many of which were published at least in part in Eleanor Mildred Sidgwick and Arthur Sidgwick, Henry Sidgwick, A Memoir, Reproduced.


F.Y. Edgeworth Papers, owned by D.E. Butler, Nuffield College, Oxford. Contains three letters, 1882-87.


Richard Ely Papers, University of Wisconsin-Madison. One or two letters from 1880. These have apparently been transfered to State Historical Society of Wisconsin.


H.S. Foxwell Collection, owned by Mr. R. D. Freeman. Includes the twenty-four letters from Sidgwick to Foxwell, Reproduced.


Glasgow University Library. Contains at least one letter from Sidgwick to A.V. Dicey.


Harvard University, the Houghton Library. Contains the correspondence between Sidgwick and William James, some of which is reproduced, and three letters from Sidgwick to C.E. Norton.


University of Hull, the Brynmoor Jones Library, the Conrad Noel Papers. Contains a bound volume of typed copies of letters from Roden Noel to Sidgwick, 1861-1878.


The Eisenhower Library, Johns Hopkins University, Hutzler Collection. Contains a letter from Sidgwick to J.S. Mill, their first known contact, which is reproduced. Also several letters from Sidgwick to D.C. Gilman.


King's College Library, Cambridge University. Various collections. Contains the Oscar Browning Papers, which includes, among other items, the seventy-nine letters from Sidgwick to Browning reproduced. Also of special importance is the J.N. Keynes collection, which holds seven bound volumes of student notes (by Keynes and several others) on Sidgwick's lectures in the mid-1870s.


City of Lincoln Libraries, Museum and Art Gallery, Tennyson Research Centre, Lincoln. Contains four letters from Sidgwick to H. Tennyson.


Marshall Library, Cambridge University, J.N. Keynes Correspondence. Four letters from 1891-1900.


Dr. William's Library, London. Seventeen letters from Sidgwick to E. Enfield.


Manchester College, Oxford. Contains the papers of the Metaphysical Society. Sidgwick's contributions are reproduced.


Newnham College Library and Archives, Cambridge University. Contains eight boxes of material, mostly Eleanor Mildred Sidgwick's, on the founding and development of Newnham College.


Palgrave papers, owned by G.P. Barker. Several letters from 1886-1892.


Sterling Memorial Library, Stanford University. Contains a letter from Sidgwick to T. Davidson.


Terling Place and Old Rectory, Terling, Rayleigh Papers. Contains at least one letter from Sidgwick and a number of other miscellaneous items relating to his life.


University College, London, Robertson Papers. Contains six letters from 1878-1892.


University of London Library, Spencer Papers. Two letters, from 1891 and 1897. Reproduced.


University of St. Andrews Library, Wilfrid Ward Papers. Sixty-eight letters from Ward to Sidgwick, and forty-nine letters from Sidgwick to Ward. The Library also contains a letter by Sidgwick to George Tyrell, and one to Mrs. Ward. The letters from Sidgwick to Ward are reproduced.

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