A Plea for Liberty: An Argument against Socialism and Socialistic Legislation, consisting of an Introduction by Herbert Spencer and Essays by Various Writers, edited by Thomas Mackay (Indianapolis: Liberty Fund, 1981). Foreword by Jeffrey Paul.

Essays of Montaigne, vol. 5, trans. Charles Cotton, revised by William Carew Hazlett (New York: Edwin C. Hill, 1910).

The Works of Jeremy Bentham, published under the Superintendence of his Executor, John Bowring (Edinburgh: William Tait, 1838-1843). 11 vols. Vol. 11.

Essays of Montaigne, vol. 6, trans. Charles Cotton, revised by William Carew Hazlett (New York: Edwin C. Hill, 1910).

Of Population. An Enquiry concerning the Power of Increase in the Numbers of Mankind, being an Answer to Mr. Malthus’s Essay on that Subject (London: Longman, Hurst, Rees, Orme, and Brown, 1820).

Essays of Montaigne, vol. 7, trans. Charles Cotton, revised by William Carew Hazlett (New York: Edwin C. Hill, 1910).

Essays of Montaigne, vol. 8, trans. Charles Cotton, revised by William Carew Hazlett (New York: Edwin C. Hill, 1910).

The Collected Works of James M. Buchanan, Vol. 5. The Demand and Supply of Public Goods Foreword by Geoffrey Brennan (Indianapolis: Liberty Fund, 1999).

The Collected Works of John Stuart Mill, Volume XIV - The Later Letters of John Stuart Mill 1849-1873 Part I, ed. Francis E. Mineka and Dwight N. Lindley (Toronto: University of Toronto Press, London: Routledge and Kegan Paul, 1972).

Essays of Montaigne, vol. 9, trans. Charles Cotton, revised by William Carew Hazlett (New York: Edwin C. Hill, 1910).