1. Hippocrates, De geniture, eds. and trans. W.C. Lyons and J.N. Hattock, (Cambridge: Pembrooke Press, 1978)
2. Aristotle, De Generation Animalium, trans. Arthur Platt, in The Complete Works of Aristotle, eds. J.A. Smith and W.D. Ross, (Oxford: The Claredon Press, 1912), II 728a.
3. Cited in Josephine Sevely, Eve’s Secrets. A New Theory of Female Sexuality, (New York: Random House, 1987), p. 51.
4. Danielle Jacquart and Claude Thomasset, Sexuality and Medicine in the Middle Ages, trans. Matthew Adamson, (Great Britain: Polity Press, 1988), pp. 66–74.
5. Rainer de Graaf, New Treatise Concerning the Generative Organs of Women (1672), annot. trans. H.B. Jocelyn and B.P. Setchell, Journal of Reproduction and Fertility, Supplement 17, (Oxford: Blackwell Scientific Publications, 1972), p. 107.