Anon. 1893a. “Prof. Huxley on Evolution and Ethics: The Romanes Lecture.”The Athenæum  3430 (22 July): 119–20.

Anon. 1893b. Report of the Romanes Lecture. The Times  (19 May), 11, col. d.

Anon. 1893c. “The Romanes Lecture.”The Oxford Magazine  11 (24 May): 380–81.

Balfour, Arthur James. 1895. The Foundations of Belief: Being Notes Introductory to the Study of Theology. New York: Longmans Green.

Barton, Ruth. 1983. “Evolution: The Whitworth Gun in Huxley's War for the Liberation of Science from Theology.”  In The Wider Domain of Evolutionary Thought, ed. DavidOldroyd and IanLangham, 261–88. Dordrecht, Holland: D. Reidel.

Burhoe, Ralph Wendell. 1988. “On ‘Huxley's Evolution and Ethics in Sociobiological Perspective’ by George C. Williams.”Zygon: Journal of Religion and Science  23 (December): 417–30.

Desmond, Adrian. [1994] 1997. Huxley: From Devil's Disciple to Evolution's High Priest. Reading, Mass.: Addison‐Wesley.

Flew, Antony G. N.1967. Evolutionary Ethics. London: Macmillan.

Galton, Francis. [1869] 1972. Hereditary Genius: An Inquiry into Its Laws and Consequences. Gloucester, Mass.: Peter Smith.

Gilley, Sheridan, and AnnLoades. 1981. “Thomas Henry Huxley: The War between Science and Religion.”The Journal of Religion  61: 285–308.

Helfand, Michael S.1977. “T. H. Huxley's ‘Evolution and Ethics’: The Politics of Evolution and the Evolution of Politics.”Victorian Studies  20: 159–77.

Hume, David. [1740] 1978. Treatise of Human Nature. Ed. L. A.Selby‐Bigge. Oxford: Clarendon.

Huxley, Leonard. 1901. Life and Letters of Thomas Henry Huxley. 2 vols. New York: D. Appleton.

Huxley, Thomas Henry. [1868] 1893. “A Liberal Education; and Where to Find It.”Science and Education  . Collected Essays 3: 76–110. London: Macmillan.

——. [1870] 1894. “On Descartes' ‘Discourse Touching the Method of Using One's Reason Rightly and of Seeking Scientific Truth.‘”Method and Results  . Collected Essays 1: 166–98. London: Macmillan.

——. [1871] 1893. “Mr. Darwin's Critics.”Darwiniana  . Collected Essays 2: 120–86.London: Macmillan.

——. [1874] 1894. “On the Hypothesis that Animals Are Automata, and Its History.”Method and Results  . Collected Essays 1: 199–250. London: Macmillan.

——. [1876] 1893. “Address on University Education.”Science and Education  . Collected Essays 3: 235–61. London: Macmillan.

——. [1886a] 1893. “The Evolution of Theology: An Anthropological Study.”Science and Hebrew Tradition  . Collected Essays 4: 287–371. London: Macmillan.

——. [1886b] 1894. “Science and Morals.”Evolution & Ethics and Other Essays  . Collected Essays 9: 117–46. London: Macmillan.

——. [1887] 1895. “Scientific and Pseudo‐Scientific Realism.”Science and Christian Tradition  . Collected Essays 5: 59–88. London: Macmillan.

——. [1888] 1894. “The Struggle for Existence in Human Society.”Evolution & Ethics and Other Essays  . Collected Essays 9: 195–236. London: Macmillan.

——. [1890a] 1894. “Natural Rights and Political Rights.”Method and Results  . Collected Essays 1: 336–81. London: Macmillan.

——. [1890b] 1894. “On the Natural Inequality of Men.”Method and Results  . Collected Essays 1: 290–335. London: Macmillan.

——. [1892] 1895. “Prologue” to Controverted Questions. Science and Christian Tradition  . Collected Essays 5: 1–58. London: Macmillan.

——. [1893] 1894. “Evolution and Ethics.”Evolution & Ethics and Other Essays  . Collected Essays, 9: 46–86. London: Macmillan.

——. 1894. “Prolegomena to ‘Evolution and Ethics.’”Evolution & Ethics and Other Essays  . Collected Essays 9: 1–45. London: Macmillan.

——. 1895. “Mr. Balfour's Attack on Agnosticism.”The Nineteenth Century  37 (Mar.): 527–40.

Kropotkin, Petr. [1890] 1910. “Mutual Aid Among Animals.”  Reprinted in Mutual Aid: A Factor of Evolution. London: William Heinemann.

Mivart, St. George. 1893. “Evolution in Professor Huxley.”The Nineteenth Century  34 (Aug.): 198–211.

Paradis, James. 1989. “Evolution and Ethics in Its Victorian Context.”  In Evolution and Ethics: T. H. Huxley's Evolution and Ethics in Its Victorian and Sociobiological Context, ed. JamesParadis and George C.Williams, 3–55. Princeton, N.J.: Princeton Univ. Press.

Peterson, Houston. 1932. Huxley: Prophet of Science. New York: Longmans Green.

Ruse, Michael. 1986. “Evolutionary Ethics: A Phoenix Arisen.”Zygon: Journal of Religion and Science  21 (March): 95–112.

Seth, Andrew. 1893. “Man's Place in the Cosmos.”Blackwood's Edinburgh Magazine  154 (Dec.): 823–34.

Spencer, Herbert. 1893. “Evolutionary Ethics.”The Athenæum  3432 (5 Aug.): 193–94.

Stephen, Leslie. 1893. “Ethics and the Struggle for Existence.”Contemporary Review  64 (Aug.): 157–70.

Thompson, Paul. 1995. “Introduction.”  In Issues in Evolutionary Ethics, ed. PaulThompson, 1–38. Albany: State Univ. of New York Press.

Williams, George C.1988a. “Huxley's Evolution and Ethics in Sociobiological Perspective.”Zygon: Journal of Religion and Science  23 (month): 383–407.

——. 1988b. “Reply to Comments on ‘Huxley's Evolution and Ethics in Sociobiological Perspective.’”Zygon: Journal of Religion and Science  23 (December): 437–38.