Citations are given in endnotes as prescribed by the Chicago Manual of Style, seventeenth edition, except that references to the following editions will appear parenthetically in the body of the text. Carroll, Lewis. Alice’s Adventures in Wonderland and Through the Looking Glass. Harmondsworth: Penguin, 1962. Coleridge, Samuel Taylor. The Complete Poems. Edited by William Keach. London: Penguin, 1997. Darwin, Charles. Charles Darwin’s Notebooks, 1836–1844: Geology, Transmutation of Species, Metaphysical Enquiries. Edited by Paul H. Barrett, Peter J. Gautrey, Sandra Herbert, David Kohn, and Sidney Smith. London; Ithaca, NY: British Museum of Natural History; Cornell University Press, 1987. Darwin, Charles. The Descent of Man, and Selection in Relation to Sex. 1879. Edited by Adrian Desmond and James R. Moore. London: Penguin, 2004. Darwin, Charles. The Expression of the Emotions in Man and Animals. 1872. Edited by Paul Ekman. New York: Oxford University Press, 1998. Darwin, Charles. On the Origin of Species. Edited by Gillian Beer. Rev. ed. New York: Oxford University Press, 2008. Freud, Sigmund. The Standard Edition of the Complete Psychological Works of Sigmund Freud. Translated by James Strachey et al. 24 vols. London: Hogarth Press, 1953–74. Hardy, Thomas. The Variorum Edition of the Complete Poems of Thomas Hardy. Edited by James Gibson. London: Macmillan, 1976. Keats, John. The Poems of John Keats. Edited by Jack Stillinger. Cambridge, MA: Harvard University Press, 1978. Lear, Edward. The Complete Nonsense and Other Verse. Edited by Vivien Noakes. London: Penguin, 2002. Malthus, Thomas. An Essay on the Principle of Population and Other Writings. Edited by Robert Mayhew. London: Penguin, 2015. Rossetti, Christina. The Complete Poems. Edited by R. W. Crump with notes by Betty S. Flowers. London: Penguin, 2001. Stoker, Bram. Dracula. Edited by Glennis Byron. Peterborough, ON: Broadview, 1998. Tennyson, Alfred. The Poems of Tennyson. Edited by Christopher Ricks. 2nd ed. 3 vols. Berkeley: University of California Press, 1987.